Παραπομπή APA

Beken, A. V. D., Heinonen, P., & Ziglio, G. (2000). Hydrological and Limnological aspects of Lake monitoring ( PHOTOSTAT COPY).

Παραπομπή Chicago Style

Beken, Andre Van Der, Pertti Heinonen, και Giuliano Ziglio. Hydrological and Limnological Aspects of Lake Monitoring ( PHOTOSTAT COPY). NewYork, JhonWiley & Sons, 2000.

Παραπομπή MLA

Beken, Andre Van Der, et al. Hydrological and Limnological Aspects of Lake Monitoring ( PHOTOSTAT COPY). 2000.