APA(7版)引用形式
Piper, J. (2003). Don't waste your life. Crossway.
Chicagoスタイル(17版)引用形式
Piper, John. Don't Waste Your Life. Wheaton: Crossway, 2003.
MLA(9版)引用形式
Piper, John. Don't Waste Your Life. Crossway, 2003.
警告: この引用は必ずしも正確ではありません.