Abell, George O.
Holt Rinehart and Winston, 1974
Buku Teks
Oparin, A.
Foreign Languages Publishing House, 1960
Buku Teks
Nicolson, Iain
Horus Editions, 1995
Buku Referensi
Krauskopf, Konrad B.
McGraw-Hill, 2008
Buku Teks
Krauskopf, Konrad B.
McGraw-Hill, 1991
Buku Teks