Gaya APA

Johnson, A. (2011). Recommendations for Design and Analysis of Earth Structures Using Geosynthetic Reinforcements-EBGEO (2nd German Edition). Germany: Ernst & Sohn.

Gaya MLA

Johnson, Alan. "Recommendations for Design and Analysis of Earth Structures Using Geosynthetic Reinforcements-EBGEO". 2nd German Edition Germany: Ernst & Sohn, 2011. Text.