Jóhansen, J. (1985). Studies in the vegetational history of the Faroe and Shetland Islands. Føroya fróðskaparfelag.
Chicago Style (17th ed.) CitationJóhansen, Jóhannes. Studies in the Vegetational History of the Faroe and Shetland Islands. Tórshavn: Føroya fróðskaparfelag, 1985.
MLA引文Jóhansen, Jóhannes. Studies in the Vegetational History of the Faroe and Shetland Islands. Føroya fróðskaparfelag, 1985.
警告:這些引文格式不一定是100%准確.