Gaya APA

Freeman, H, E., Solomon, M, A. (1981). Evaluation Studies Review Annual : Volume 6 (Ed.1, Vol.6). United States of America: SAGE Publication, Inc..

Gaya MLA

Freeman, Howard, E., Solomon, Marian, A. "Evaluation Studies Review Annual : Volume 6". Ed.1, Vol.6 United States of America: SAGE Publication, Inc., 1981. Text.