Schwartz, D. J. (1980). Introduction to management: Principles, practices, and processes. Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)Schwartz, David Joseph. Introduction to Management: Principles, Practices, and Processes. New York: Harcourt Brace Jovanovich, 1980.
Lua MLA (9ú heag.)Schwartz, David Joseph. Introduction to Management: Principles, Practices, and Processes. Harcourt Brace Jovanovich, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.