Bradley, Joseph F.
Holt, Rinehart and Winston, 1969
Buku Teks
Marvin, Philip Roger
Research Press, 1954
Buku Teks
Husband, George R.
Chilton Book, 1959
Buku Teks
Britt, Steuart Henderson
McGraw-Hill , 1968
Buku Teks
Britt, Steuart Henderson
McGraw-Hill Kogakusha, 1978
Buku Teks