APA citiranje

Heyel, C., & Heyel, C. (1972). Handbook of modern office management and administrative services. McGraw-Hill.

Chicago Style (17th ed.) Citation

Heyel, Carl, and Carl Heyel. Handbook of Modern Office Management and Administrative Services. New York: McGraw-Hill, 1972.

MLA citiranje

Heyel, Carl, and Carl Heyel. Handbook of Modern Office Management and Administrative Services. McGraw-Hill, 1972.