Gaya APA

Ward, S, H. (1990). geotechnical and environmental geophysics : vol.I, review and intorial; vol. II., environmental and ground water; vol III., geotechnical (Ed. ke-3). Tulsa: Oklahoma Society of exploration Geophysicists.

Gaya MLA

Ward, Stanley, H.. "geotechnical and environmental geophysics : vol.I, review and intorial; vol. II., environmental and ground water; vol III., geotechnical". Ed. ke-3 Tulsa: Oklahoma Society of exploration Geophysicists, 1990. Text.