Culver, R. B. (1998). Aspects of astronomy. Forth Worth, TX: Harcourt Brace.
Trích dẫn kiểu ChicagoCulver, Roger B. Aspects of Astronomy. Forth Worth, TX: Harcourt Brace, 1998.
MLA引文Culver, Roger B. Aspects of Astronomy. Forth Worth, TX: Harcourt Brace, 1998.
警告：这些引文格式不一定是100％准确.