Gaya APA

Hassan, G. (2000). American psychologist : special issue on happiness, excellence, and optimal human functioning (Vol. 55, January, number 1). : DECADE of BEHAVIOR.

Gaya MLA

Hassan, Gaylord. "American psychologist : special issue on happiness, excellence, and optimal human functioning". Vol. 55, January, number 1 : DECADE of BEHAVIOR, 2000. Electronic Resource.