Graf, K. (1981). Palynological investigations of two post-glacial peat bogs near the boundary of Bolivia and Peru ([Sonderdr.].).
Chicago-Zitierstil (17. Ausg.)Graf, Kurt. Palynological Investigations of Two Post-glacial Peat Bogs Near the Boundary of Bolivia and Peru. [Sonderdr.]. Zürich, 1981.
MLA-Zitierstil (9. Ausg.)Graf, Kurt. Palynological Investigations of Two Post-glacial Peat Bogs Near the Boundary of Bolivia and Peru. [Sonderdr.]. 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.