Não informado. (1927). Psychological abstracts. American Psychological Association.
Chicagoスタイル(17版)引用形式Não informado. Psychological Abstracts. Lancaster, Pa: American Psychological Association, 1927.
MLA(8版)引用形式Não informado. Psychological Abstracts. American Psychological Association, 1927.
警告: この引用は必ずしも正確ではありません.