APA(7版)引用形式
Willingham, R. (1968). How to speak so people will listen. Word Books.
Chicagoスタイル(17版)引用形式
Willingham, Ron. How to Speak so People Will Listen. Waco, Tex.: Word Books, 1968.
MLA(9版)引用形式
Willingham, Ron. How to Speak so People Will Listen. Word Books, 1968.
警告: この引用は必ずしも正確ではありません.