Não informado. (1940). Mental health. National Association for Mental Health.
Chicagoスタイル(17版)引用形式Não informado. Mental Health. London: National Association for Mental Health, 1940.
MLA(8版)引用形式Não informado. Mental Health. National Association for Mental Health, 1940.
警告: この引用は必ずしも正確ではありません.