APA

Hiebing R. G., Cooper S. W., . (1990). How to write a successful marketing plan. Lincolnwood, Ill., U.S.A: NTC Business BOOKs.

Chicago

Hiebing Roman G, Cooper Scott W, . 1990. How to write a successful marketing plan. Lincolnwood, Ill., U.S.A: NTC Business BOOKs.

Harvard

Hiebing R. G., Cooper S. W., . (1990). How to write a successful marketing plan. Lincolnwood, Ill., U.S.A: NTC Business BOOKs.

MLA

Hiebing Roman G, Cooper Scott W, . How to write a successful marketing plan. Lincolnwood, Ill., U.S.A: NTC Business BOOKs. 1990.