Cleare, J. (1988). Trekking: Great walks of the world. Hyman.
Chicago Style (17th ed.) CitationCleare, John. Trekking: Great Walks of the World. London: Hyman, 1988.
MLA引文Cleare, John. Trekking: Great Walks of the World. Hyman, 1988.
警告:這些引文格式不一定是100%准確.