Certo, S. C., & Samuel C. Certo. (2008). Supervision: Concepts and skill-building (6th ed.). McGraw-Hill/Irwin, a business unit of The McGraw-Hill Companies, Inc..
Цитирование в стиле Чикаго (17-е изд.)Certo, Samuel C., и Samuel C. Certo. Supervision: Concepts and Skill-building. 6th ed. Boston: McGraw-Hill/Irwin, a business unit of The McGraw-Hill Companies, Inc., 2008.
Цитирование MLA (9-е изд.)Certo, Samuel C., и Samuel C. Certo. Supervision: Concepts and Skill-building. 6th ed. McGraw-Hill/Irwin, a business unit of The McGraw-Hill Companies, Inc., 2008.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.