Gaya APA

Engel, James F., Warshaw, Martin R., Kinnear, Thomas C.. (1989). Promotional strategy: managing the marketing communications process (6th ed). Tokyo: Toppan Company, LTD.

Gaya Chicago

Engel, James F., Warshaw, Martin R., Kinnear, Thomas C.. Promotional strategy: managing the marketing communications process. 6th ed Tokyo: Toppan Company, LTD, 1989. BUKU.

Gaya MLA

Engel, James F., Warshaw, Martin R., Kinnear, Thomas C.. Promotional strategy: managing the marketing communications process. 6th ed Tokyo: Toppan Company, LTD, 1989. BUKU.

Gaya Turabian

Engel, James F., Warshaw, Martin R., Kinnear, Thomas C.. Promotional strategy: managing the marketing communications process. 6th ed Tokyo: Toppan Company, LTD, 1989. BUKU.