Gaya APA

Dickson, P, B, A, M. (1991). Portfolios Process Amd Product (Ed 1). USA: Boynton/cook publishers heinemann.

Gaya MLA

Dickson, Pat, Belanoff, And, Marcia. "Portfolios Process Amd Product". Ed 1 USA: Boynton/cook publishers heinemann, 1991. Text.