APA引文
ebrary, Inc, Snyder, J., & Stonehouse, B. (2006). Prospects for polar tourism. Cabi.
Chicago Style (17th ed.) Citation
ebrary, Inc, J. Snyder, and Bernard Stonehouse. Prospects for Polar Tourism. Wallingford, Oxfordshire ; Cambridge MA: Cabi, 2006.
MLA引文
ebrary, Inc, et al. Prospects for Polar Tourism. Cabi, 2006.
警告：這些引文格式不一定是100％准確.