Boolootin, Richard A.
Macmillan, 1981
Buku Teks
Hegner, Robert W.
Macmillan, 1951
Buku Teks
Gordon, Malcolm S., author
Macmillan, 1976
Buku Teks
Miller, Stephen A., author
McGraw-Hill, 2016
Buku Teks
edited by by Thomas C. Grubb
Burgess, 1975
Buku Teks