Gaya APA

Ellram, D, B, A, L. (1997). Strategic supplier partnering: a psychological contract perspective (Vol. 27 No. 9/10, 1997). USA: Emerald.

Gaya MLA

Ellram, Donna, Blancero, And, Lisa. "Strategic supplier partnering: a psychological contract perspective". Vol. 27 No. 9/10, 1997 USA: Emerald, 1997. Article.