APA-referens (7:e uppl.)

Selby, S. (1963). Sets relations functions: An introduction. McGraw-Hill.

Chicago-referens (17:e uppl.)

Selby, Samuel. Sets Relations Functions: An Introduction. New York: McGraw-Hill, 1963.

MLA-referens (9:e uppl.)

Selby, Samuel. Sets Relations Functions: An Introduction. McGraw-Hill, 1963.