APA-ийн эшлэл(7 дахь хэвлэлт)

George, D., & Mallery, P. (2022). IBM SPSS Statistics 27 Step by Step: A Simple Guide and Reference (17e.). Routledge.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

George, Darren, ба Paul Mallery. IBM SPSS Statistics 27 Step by Step: A Simple Guide and Reference. 17e. India: Routledge, 2022.

MLA -ийн эшлэл (9 дэх хэвлэлт)

George, Darren, ба Paul Mallery. IBM SPSS Statistics 27 Step by Step: A Simple Guide and Reference. 17e. Routledge, 2022.