APA引文

Turnbull, P. W., & Cunningham, M. T. (1981). International Markeiting and Purchasing.

Chicago Edition Citation

Turnbull, Peter W., and Malcolm T. Cunningham. International Markeiting and Purchasing. :, 1981.

MLA引文

Turnbull, Peter W., and Malcolm T. Cunningham. International Markeiting and Purchasing. 1981.