Jóhansen, J. (1985). Studies in the vegetational history of the Faroe and Shetland Islands. Føroya fróðskaparfelag.
Chicago-стиль цитированияJóhansen, Jóhannes. Studies in the Vegetational History of the Faroe and Shetland Islands. Tórshavn: Føroya fróðskaparfelag, 1985.
MLA-цитированиеJóhansen, Jóhannes. Studies in the Vegetational History of the Faroe and Shetland Islands. Føroya fróðskaparfelag, 1985.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.