Gaya APA

Evaluation studies review annual, volume 2. (1977). California: Sage Publications.

Gaya Chicago

Evaluation studies review annual, volume 2. text. California: Sage Publications, 1977. Tesis.

Gaya MLA

Evaluation studies review annual, volume 2. text. California: Sage Publications, 1977. Tesis.

Gaya Turabian

Evaluation studies review annual, volume 2. California: Sage Publications, 1977. Tesis.