Gaya APA

Germaine, J, T., Germaine, A, V. (2009). Geotechnical Laboratory Measurements for Engineers . United States of America: John Wiley & Sons.

Gaya MLA

Germaine, John, T.., Germaine, Amy, V.. "Geotechnical Laboratory Measurements for Engineers". United States of America: John Wiley & Sons, 2009. Text.