APA引文

Wahl, E. F. (1977). Geometrical energy utilization. John - Wiley.

Chicago Edition Citation

Wahl, Edward F. Geometrical Energy Utilization. New York: John - Wiley, 1977.

MLA引文

Wahl, Edward F. Geometrical Energy Utilization. John - Wiley, 1977.

警告：這些引文格式不一定是100％准確.