APA

Brown M. P., . (1968). Problems in marketing. New York: McGraw-Hill.

Chicago

Brown Milton Peers, . 1968. Problems in marketing. New York: McGraw-Hill.

Harvard

Brown M. P., . (1968). Problems in marketing. New York: McGraw-Hill.

MLA

Brown Milton Peers, . Problems in marketing. New York: McGraw-Hill. 1968.