Gaya APA

Hermanson, R, H, (., Barnes, A, J. (1978). Programmed learning aid for business law (3rd.ed.). Illinois: Richard R. Irwin.

Gaya MLA

Hermanson, Roger, H, (editor)., Barnes, A., James. "Programmed learning aid for business law". 3rd.ed. Illinois: Richard R. Irwin, 1978. Text.