Bowen, R., & Ferreira, P. (2002). The shape of a small universe: Signatures in the cosmic microwave background.
芝加哥风格引文Bowen, R., 与 P. Ferreira. The Shape of a Small Universe: Signatures in the Cosmic Microwave Background. 2002.
MLA引文Bowen, R., 与 P. Ferreira. The Shape of a Small Universe: Signatures in the Cosmic Microwave Background. 2002.
警告：这些引文格式不一定是100％准确.