Παραπομπή APA

De Jong, K. A. (1973). GRavity and tectonics. Wiley Eastern.

Παραπομπή Chicago Style

De Jong, Kees A. GRavity and Tectonics. London: Wiley Eastern, 1973.

Παραπομπή MLA

De Jong, Kees A. GRavity and Tectonics. Wiley Eastern, 1973.