APA-Zitierstil (7. Ausg.)

Lumpkin, J. R., Caballero, M. J., & Chonko, L. B. (1989). Direct marketing, direct selling, and the mature consumer: A research study (1. publ., 1. print.). Quorum Books.

Chicago-Zitierstil (17. Ausg.)

Lumpkin, James R., Marjorie J. Caballero, und Lawrence B. Chonko. Direct Marketing, Direct Selling, and the Mature Consumer: A Research Study. 1. publ., 1. print. New York u.a: Quorum Books, 1989.

MLA-Zitierstil (9. Ausg.)

Lumpkin, James R., et al. Direct Marketing, Direct Selling, and the Mature Consumer: A Research Study. 1. publ., 1. print. Quorum Books, 1989.