Heppenstall, R. (1968). The connecting door. Dufour.
芝加哥风格引文Heppenstall, Rayner. The Connecting Door. [Chester Springs, Pa.]: Dufour, 1968.
MLA引文Heppenstall, Rayner. The Connecting Door. Dufour, 1968.
警告：这些引文格式不一定是100％准确.
APA引文