Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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