Haapala, P. (1936). On serpentine rocks in northern Karelia: With 21 figures in text and two maps. Government Press.
Chicago-Zitierstil (17. Ausg.)Haapala, Paavo. On Serpentine Rocks in Northern Karelia: With 21 Figures in Text and Two Maps. Helsinki: Government Press, 1936.
MLA-Zitierstil (8. Ausg.)Haapala, Paavo. On Serpentine Rocks in Northern Karelia: With 21 Figures in Text and Two Maps. Government Press, 1936.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.