APA ציטוט

Usmen, M. A., & Acar, Y. B. (1992). Environmental geotechnology. A.A. Balkema.

Chicago Edition Citation

Usmen, Mumtaz A., and Yalcin B. Acar. Environmental Geotechnology. Netherlands: A.A. Balkema, 1992.

ציטוט MLA

Usmen, Mumtaz A., and Yalcin B. Acar. Environmental Geotechnology. A.A. Balkema, 1992.