The issue of investigating the influence of recommendations on purchasing decisions is part of the current research direction undertaken within various social disciplines. Moreover, it is also an important area discussed in marketing research. The aim of the study is to indicate the links in the literature between the concepts of recommendation and purchase. An attempt is also made to identify the main areas of research in this area and to classify recommendation in terms by type of sender. A bibliometric analysis was carried out to bring order to the literature's considerations to date. The adopted research approach is applicable when there are numerous publications in a selected field. It was decided to identify the links between the terms recommendation and purchase in the scientific literature. For this purpose, the resources of the Scopus and Web of Science databases were used. Based on the results obtained, answers to the research questions were formulated. VOSviewer software was also used, which made it possible to link essential terms from the scientific works and indicate the main research areas in purchase recommendations.