APA

Stern M. E., . (1966). Marketing planning: a systems approach. New York: McGraw-Hill.

Chicago

Stern Mark E, . 1966. Marketing planning: a systems approach. New York: McGraw-Hill.

Harvard

Stern M. E., . (1966). Marketing planning: a systems approach. New York: McGraw-Hill.

MLA

Stern Mark E, . Marketing planning: a systems approach. New York: McGraw-Hill. 1966.