APA ציטוט

(1980). Prescription drug industry. Washington: PharmceuticalManufacturers Association.

Trích dẫn kiểu Chicago

Prescription Drug Industry. Washington: PharmceuticalManufacturers Association, 1980.

ציטוט MLA

Prescription Drug Industry. Washington: PharmceuticalManufacturers Association, 1980.