Παραπομπή APA

Hill, R. M., Alexander, R. S. . .., & Cross, J. s. . .. (1998). Industrial marketing. A I T B S.

Παραπομπή Chicago Style

Hill, Richard M., Ralph S. Alexander, και James s. Cross. Industrial Marketing. New Delhi: A I T B S, 1998.

Παραπομπή MLA

Hill, Richard M., et al. Industrial Marketing. A I T B S, 1998.