Gaya APA

Lazzaro, V. (1959). Systems and Procedures: a Handbook for Business and Industry (Cet. 21.--). United States of America: Prentice-Hall.

Gaya MLA

Lazzaro, Victor. "Systems and Procedures: a Handbook for Business and Industry". Cet. 21.-- United States of America: Prentice-Hall, 1959. Text.