Cita APA

Winkler, J. (1972). Winkler on marketing planning. Hutchinson.

Chicago Edition Citation

Winkler, John. Winkler on Marketing Planning. London: Hutchinson, 1972.

Cita MLA

Winkler, John. Winkler on Marketing Planning. Hutchinson, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.