APA ציטוט

Gregory B. Stone. (1981). Spirit of enterprise: The 1981 Rolex Awards. London: Harrap.

Trích dẫn kiểu Chicago

Gregory B. Stone. Spirit of Enterprise: The 1981 Rolex Awards. London: Harrap, 1981.

ציטוט MLA

Gregory B. Stone. Spirit of Enterprise: The 1981 Rolex Awards. London: Harrap, 1981.