Gaya APA

Marketing / C. Northcote Parkinson ; M.K. Rustomji ; Walter E. Vieira. (1996). Singapore: Federal Publications, c.

Gaya MLA

Marketing / C. Northcote Parkinson ; M.K. Rustomji ; Walter E. Vieira. . Singapore: Federal Publications, c, 1996. Buku Wajib.