Gaya APA

Mack, K, E., Newbold, P, A. (1991). Health care sales: new strategies for improving quality, client relations, and revenue . Canada: Yayasan Bina Pustaka Sarwono Prawirohardjo.

Gaya MLA

Mack, Ken, E.., Newbold, Philip, A.. "Health care sales: new strategies for improving quality, client relations, and revenue". Canada: Yayasan Bina Pustaka Sarwono Prawirohardjo, 1991. Text.