Gaya APA

Hasselt, V, B, V., Hersen, M. (1987). Psychological Evaluation of the Developmentally and Physically Disabled . United States of America: Plenum Press.

Gaya MLA

Hasselt, Vincent, B., Van., Hersen, Michel. "Psychological Evaluation of the Developmentally and Physically Disabled". United States of America: Plenum Press, 1987. Text.