HARDIYATMO, H. C. (1994). Mekanika tanah 2 - Hary Christady Hardiyatmo. Gramedia Pustaka Utama.
Lua i Stíl Chicago (17ú heag.)HARDIYATMO, Hary Christady. Mekanika Tanah 2 - Hary Christady Hardiyatmo. Gramedia Pustaka Utama, 1994.
Lua MLA (8ú heag.)HARDIYATMO, Hary Christady. Mekanika Tanah 2 - Hary Christady Hardiyatmo. Gramedia Pustaka Utama, 1994.
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