Bibliografi. : hlm. 258-261
Judul Asli : "Intermediate Structural Analysis"
No Inv.: 84063-84067/P/Perp/02/5c~103580-103584/P/Perp/06/5c
Versi S1
No Inv.: 80182-80183/S/02/2c
Judul asli :"Soil mechanics"
No Inv.: 117482/P/Perp/09/1c
No Inv.: 818-819/BD/Perp/86/2c~1610/P/Perp/95/1c
No Inv.: 3837/P/Perp/91/1c~102012/P/Perp/05/1c