Gaya APA

Rotunda, T, D, M, ;, R, D. (1987). Professional responsibility: problems and materials (ed. 4). USA: UNIVERSITY CASEBOOK SERIES.

Gaya MLA

Rotunda, Thomas, D., Morgan, ;, Ronald, D.. "Professional responsibility: problems and materials". ed. 4 USA: UNIVERSITY CASEBOOK SERIES, 1987. Text.