Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Hallewas, D. P. (1984). The interaction between man and his physical environment in the county of Holland between circa 1000 and 1300 AD: a dynamic relationship: -Geologie en Mijnbouw 63.

Chicago Citation Edition Citation

Hallewas, D. P. The Interaction Between Man and His Physical Environment in the County of Holland Between Circa 1000 and 1300 AD: A Dynamic Relationship: -Geologie En Mijnbouw 63. Amersfoort, 1984.

MLA Citation Edition Citation

Hallewas, D. P. The Interaction Between Man and His Physical Environment in the County of Holland Between Circa 1000 and 1300 AD: A Dynamic Relationship: -Geologie En Mijnbouw 63. 1984.