APA
Goward T., Ahti T., . (1992). Macrolichens and their zonal distribution in Wells Gray Provincial Park and its vicinity, British Columbia, Canada. : .
Chicago
Goward Trevor, Ahti Teuvo, . 1992. Macrolichens and their zonal distribution in Wells Gray Provincial Park and its vicinity, British Columbia, Canada. : .
Harvard
Goward T., Ahti T., . (1992). Macrolichens and their zonal distribution in Wells Gray Provincial Park and its vicinity, British Columbia, Canada. : .
MLA
Goward Trevor, Ahti Teuvo, . Macrolichens and their zonal distribution in Wells Gray Provincial Park and its vicinity, British Columbia, Canada. : . 1992.
SerieJęzyk: angielski Serie: Acta Botanica Fennica ; No. 147Szczegóły wydania: 1992Opis: s. 60 : il. , tab. ; 24 cm.ISBN: 
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