Janssen, C. R. (1960). On the late-glacial and post-glacial vegetation of South Limburg (Netherlands). North-Holland Publ.
Chicago-Zitierstil (17. Ausg.)Janssen, Cornelis Roelof. On the Late-glacial and Post-glacial Vegetation of South Limburg (Netherlands). Amsterdam: North-Holland Publ, 1960.
MLA-Zitierstil (9. Ausg.)Janssen, Cornelis Roelof. On the Late-glacial and Post-glacial Vegetation of South Limburg (Netherlands). North-Holland Publ, 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.