APA(7版)引用形式
Welter, P. (1978). How to help a friend. Tyndale House.
Chicagoスタイル(17版)引用形式
Welter, Paul. How to Help a Friend. Wheaton, Ill: Tyndale House, 1978.
MLA(9版)引用形式
Welter, Paul. How to Help a Friend. Tyndale House, 1978.
警告: この引用は必ずしも正確ではありません.