Gaya APA
Engel, James F, Warshaw, Martin R. (1989).
Promotional strategy : managing the marketing communications process (6e).
Homewood, Illinois:
Irwin.
Gaya Chicago
Engel, James F, Warshaw, Martin R.
Promotional strategy : managing the marketing communications process.
6e
Homewood, Illinois:
Irwin,
1989.
Buku.
Gaya MLA
Engel, James F, Warshaw, Martin R.
Promotional strategy : managing the marketing communications process.
6e
Homewood, Illinois:
Irwin,
1989.
Buku.
Gaya Turabian
Engel, James F, Warshaw, Martin R.
Promotional strategy : managing the marketing communications process.
6e
Homewood, Illinois:
Irwin,
1989.
Buku.