APA Style
Engel, James F.. (1989).
Promotional strategy (6th ed.).
Homewood:
Richard D. Irwin.
Chicago Style
Engel, James F..
Promotional strategy.
6th ed.
Homewood:
Richard D. Irwin,
1989.
Printed Material.
MLA Style
Engel, James F..
Promotional strategy.
6th ed.
Homewood:
Richard D. Irwin,
1989.
Printed Material.
Turabian Style
Engel, James F..
Promotional strategy.
6th ed.
Homewood:
Richard D. Irwin,
1989.
Printed Material.