APA citiranje

Ola, S. A. (1983). Tropical soils of Nigeria in engineering practice. A.A. Balkema ; Distributed in USA & Canada by MBS.

Chicago Style (17th ed.) Citation

Ola, S. A. Tropical Soils of Nigeria in Engineering Practice. Rotterdam : Salem, NH, USA: A.A. Balkema ; Distributed in USA & Canada by MBS, 1983.

MLA citiranje

Ola, S. A. Tropical Soils of Nigeria in Engineering Practice. A.A. Balkema ; Distributed in USA & Canada by MBS, 1983.