Vorma, A. (1971). Alkali feldspars of the Wiborg rapakivi massif in southeastern Finland. Geologinen tutkimuslaitos.
Chicago Style (17th ed.) CitationVorma, Atso. Alkali Feldspars of the Wiborg Rapakivi Massif in Southeastern Finland. Otaniemi: Geologinen tutkimuslaitos, 1971.
MLA (9th ed.) CitationVorma, Atso. Alkali Feldspars of the Wiborg Rapakivi Massif in Southeastern Finland. Geologinen tutkimuslaitos, 1971.
Warning: These citations may not always be 100% accurate.