توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Van Cleef, E. (1945). Postwar foreign trade employment and sales prospects in Ohio. Bureau of business research, College of commerce and administration, the Ohio state university.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Van Cleef, Eugene. Postwar Foreign Trade Employment and Sales Prospects in Ohio. Columbus, O.: Bureau of business research, College of commerce and administration, the Ohio state university, 1945.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Van Cleef, Eugene. Postwar Foreign Trade Employment and Sales Prospects in Ohio. Bureau of business research, College of commerce and administration, the Ohio state university, 1945.