Enger, F. (1957). Letters for special occasions. Mc Graw Hill.
Chicagoスタイル(17版)引用形式Enger, Frank. Letters for Special Occasions. New York: Mc Graw Hill, 1957.
MLA(9版)引用形式Enger, Frank. Letters for Special Occasions. Mc Graw Hill, 1957.
警告: この引用は必ずしも正確ではありません.