Παραπομπή σε μορφή APA (7η εκδ.)

Sobel Robert. (1993). The age of giant corporations: A microeconomic history of American business, 1914-1992 (3rd ed.). Praeger.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sobel Robert. The Age of Giant Corporations: A Microeconomic History of American Business, 1914-1992. 3rd ed. Praeger, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sobel Robert. The Age of Giant Corporations: A Microeconomic History of American Business, 1914-1992. 3rd ed. Praeger, 1993.