Cita APA

Kerr, J. R., & Littlefield, J. E. Marketing: An Environemental Approach.

Chicago Edition Citation

Kerr, John R., i James E. Littlefield. Marketing: An Environemental Approach. :.

Cita MLA

Kerr, John R., i James E. Littlefield. Marketing: An Environemental Approach.