APA-viite (7. p.)

Certo, S. C. (1989). Principles of modern management: Functions and systems (4th ed.). Allyn and Bacon.

Chicago-viite (17. p.)

Certo, Samuel C. Principles of Modern Management: Functions and Systems. 4th ed. Boston: Allyn and Bacon, 1989.

MLA-viite (9. p.)

Certo, Samuel C. Principles of Modern Management: Functions and Systems. 4th ed. Allyn and Bacon, 1989.