Gaya APA

Martanti,SH.,MH.,M.Kn, D, Y, D, D, Y. (1991). Industrial marketing strategy (3). New York: Jhon Willey.

Gaya MLA

Martanti,SH.,MH.,M.Kn, Dr.H., Yuhelson,SH.,MH.M.Kn, Dan, Dr., Yurisa. "Industrial marketing strategy". 3 New York: Jhon Willey, 1991. Text.