APA Style

Stevens, Robert E., Loudon, David L., Warren, William E. (1991). Marketing planning guide . New York: Haworth.

Chicago Style

Stevens, Robert E., Loudon, David L., Warren, William E. Marketing planning guide. New York: Haworth, 1991. Printed Material.

MLA Style

Stevens, Robert E., Loudon, David L., Warren, William E. Marketing planning guide. New York: Haworth, 1991. Printed Material.

Turabian Style

Stevens, Robert E., Loudon, David L., Warren, William E. Marketing planning guide. New York: Haworth, 1991. Printed Material.