APA-viite (7. p.)

Boas, R. P. (1960). A primer of real functions. Mathematical Association of America.

Chicago-viite (17. p.)

Boas, Ralph P. A Primer of Real Functions. New York: Mathematical Association of America, 1960.

MLA-viite (9. p.)

Boas, Ralph P. A Primer of Real Functions. Mathematical Association of America, 1960.