Levitt, E. E. (1967). The psychology of anxiety (ed.). Bobbs-Merrill.
Chicagoスタイル(17版)引用形式Levitt, Eugene E. The Psychology of Anxiety. ed. Indianapolis: Bobbs-Merrill, 1967.
MLA(9版)引用形式Levitt, Eugene E. The Psychology of Anxiety. ed. Bobbs-Merrill, 1967.
警告: この引用は必ずしも正確ではありません.