APA-ийн эшлэл(7 дахь хэвлэлт)

Riazanov, D. (1973). Karl Marx and Friedrich Engels: An introduction to their lives and work. Monthly Review Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Riazanov, David. Karl Marx and Friedrich Engels: An Introduction to Their Lives and Work. Nueva York: Monthly Review Press, 1973.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Riazanov, David. Karl Marx and Friedrich Engels: An Introduction to Their Lives and Work. Monthly Review Press, 1973.