APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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