APA (7e ed.) Bronvermelding
Sharma, R. S. (1969). On banded gneisses and migmatites from Lavertezzo and Rozzera <Valle Verzasca, canton Ticino>.
Chicago (17e ed.) Bronvermelding
Sharma, Ram Swaroop. On Banded Gneisses and Migmatites from Lavertezzo and Rozzera <Valle Verzasca, Canton Ticino>. Basel, 1969.
MLA (9e ed.) Bronvermelding
Sharma, Ram Swaroop. On Banded Gneisses and Migmatites from Lavertezzo and Rozzera <Valle Verzasca, Canton Ticino>. 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.