Skoog, Douglas A., author
Saunders College Publishing, 1996
Buku Teks
Skoog, Douglas A., author
Saunders, 1982
Buku Teks
Skoog, Douglas A., author
Saunders College Pub, 1996
Buku Teks
Christian, Gary D., author
John Wiley & Sons, 1986
Buku Teks
Christian, Gary D., author
John Wiley & Sons, 1977
Buku Teks