APA Citatie

Hill, R. M., Alexander, R. S., & Cross, J. S. (1994). Industrial marketing (4th ed.). Richard D Irwin.

Chicago Style citaat

Hill, Richard M., Ralph S. Alexander, en James S. Cross. Industrial Marketing. 4th ed. Illinois: Richard D Irwin, 1994.

MLA citatie

Hill, Richard M., et al. Industrial Marketing. 4th ed. Richard D Irwin, 1994.