Bibliografi : hlm. 81 No Inv.: 140534/Sm/Perp/14/1c
No Inv.: 89085-89086,89088-89103/S/Perp/04/18c
No Inv.: 2300-2304/P/Perp/92/5c~3531-3535/P/Perp/95/5c
Bibliografi : hlm. 147-149 No Inv.: 147010, 147011/P/Perp/15/2c
No Inv.: 6286/P/Perp/92/1c
No Inv.: 127-128/S/Perp/90/2c~6284-6288/P/Perp/92/5c~2838-2839/BD/Perp/87/2c
Judul asli : "Introduction to the Study of Soils in Tropical and Subtropical Regions"
No Inv.: 84598-84599/P/Perp/FMIPA/2c
Bibliografi : hlm 143-144