Awdry, W., & Courtney, R. (2012). Secret of the green engine. Random House.
Chicagoスタイル(17版)引用形式Awdry, W., , Richard Courtney. Secret of the Green Engine. New York: Random House, 2012.
MLA(8版)引用形式Awdry, W., , Richard Courtney. Secret of the Green Engine. Random House, 2012.
警告: この引用は必ずしも正確ではありません.