Gaya APA

Engel, James F, Warshaw, Martin R. (1999). Promotional strategy : managing the marketing communications process (8e). Boston: McGraw Hill.

Gaya Chicago

Engel, James F, Warshaw, Martin R. Promotional strategy : managing the marketing communications process. 8e Boston: McGraw Hill, 1999. Buku.

Gaya MLA

Engel, James F, Warshaw, Martin R. Promotional strategy : managing the marketing communications process. 8e Boston: McGraw Hill, 1999. Buku.

Gaya Turabian

Engel, James F, Warshaw, Martin R. Promotional strategy : managing the marketing communications process. 8e Boston: McGraw Hill, 1999. Buku.