Ho, Samuel K., author
Crest publishing, 1999
Buku Referensi
Thorne, Kaye, author
Crest publishing, 1999
Buku Referensi
Seekings, David, author
Crest publishing, 1999
Buku Referensi
Dennis Chambers ... [and others]
Gemini Books, 2000
Buku Referensi
by Walter J. Wadsworth
Gemini Books, 2000
Buku Referensi