APA Style

Rosann L.Spiro, Gregory A.Rich, William . (2008). MANAGEMENT OF A SALES FORCE (twelfth edition). New York: MC Graw-Hill International.

Chicago Style

Rosann L.Spiro, Gregory A.Rich, William . MANAGEMENT OF A SALES FORCE. twelfth edition New York: MC Graw-Hill International, 2008. Buku.

MLA Style

Rosann L.Spiro, Gregory A.Rich, William . MANAGEMENT OF A SALES FORCE. twelfth edition New York: MC Graw-Hill International, 2008. Buku.

Turabian Style

Rosann L.Spiro, Gregory A.Rich, William . MANAGEMENT OF A SALES FORCE. twelfth edition New York: MC Graw-Hill International, 2008. Buku.