Παραπομπή APA

Orlans, H. (1972). Nonprofit Research Institute. McGraw-Hill.

Παραπομπή Chicago Style

Orlans, Herold. Nonprofit Research Institute. New York: McGraw-Hill, 1972.

Παραπομπή MLA

Orlans, Herold. Nonprofit Research Institute. McGraw-Hill, 1972.