APA citáció

El-Fishawi Nabil M. & Molnár Béla. (1981). Nile-Delta beach pebbles I: Grain size and origin. Szeged.

Chicago Style (17th ed.) Citation

El-Fishawi Nabil M. and Molnár Béla. Nile-Delta Beach Pebbles I: Grain Size and Origin. University of Szeged, Department of Mineralogy, Geochemistry and Petrology: Szeged, 1981.

MLA idézés

El-Fishawi Nabil M. and Molnár Béla. Nile-Delta Beach Pebbles I: Grain Size and Origin. Szeged, 1981.