Loomis, Ted A., author
IKIP Semarang Press , 1978
Buku Teks
Hodgson, Ernest
Elsevier, 1987
Buku Teks
Williams & Wilkins,, 1980
Buku Teks
Walker, C. H., author
Taylor and Francis, 2001
Buku Teks
Loomis, Ted A., author
IKIP Semarang Press, 1978
Buku Teks