Não informado. (1976). Essence. York University, Atkinson College, Department of Psychology.
Chicagoスタイル(17版)引用形式Não informado. Essence. Ontario, Canada: York University, Atkinson College, Department of Psychology, 1976.
MLA(8版)引用形式Não informado. Essence. York University, Atkinson College, Department of Psychology, 1976.
警告: この引用は必ずしも正確ではありません.