Cita APA (7th ed.)

Katzan, H. (1970). Advanced programming: Programming and operating systems. Van Nostrand.

Cita Chicago (17th ed.)

Katzan, Harry. Advanced Programming: Programming and Operating Systems. New York: Van Nostrand, 1970.

Cita MLA (9th ed.)

Katzan, Harry. Advanced Programming: Programming and Operating Systems. Van Nostrand, 1970.