Heermans, F. (1888). Two negatives make an affirmative: A photographic comedy in one act. Dramatic Pub. Co..
Chicagoスタイル(17版)引用形式Heermans, Forbes. Two Negatives Make an Affirmative: A Photographic Comedy in One Act. Chicago: Dramatic Pub. Co., 1888.
MLA(8版)引用形式Heermans, Forbes. Two Negatives Make an Affirmative: A Photographic Comedy in One Act. Dramatic Pub. Co., 1888.
警告: この引用は必ずしも正確ではありません.