Kolasa, Blain J.
Wiley Enatem, 1970
Buku Teks
by C. Ronald Christensen [and others]
Irwin, 1987
Buku Teks
by C. Roland Christensen [and others]
Richard D. Irwin, 1982
Buku Teks
by Joseph C. Latona ... [and others]
South-Western Publishing, 1984
Buku Teks
Christensen, C. Roland
Richard D. Irwin, 1978
Buku Teks