Montague, M. (1978). Peter's problem: By Murray Montague. Blueboy.
Chicago-Zitierstil (17. Ausg.)Montague, Murray. Peter's Problem: By Murray Montague. Miami, Fla.: Blueboy, 1978.
MLA-Zitierstil (8. Ausg.)Montague, Murray. Peter's Problem: By Murray Montague. Blueboy, 1978.
警告：这些引文格式不一定是100％准确.