Clark, Mary E., author
W.B. Saunders, 1973
Buku Teks
Steyaert, Thomas A., author
McGraw-Hill, 1975
Buku Teks
The National Association of Biology Teachers, 1970
Buku Teks
Pattee, Howard Hunt, author
[Springer, ], 2012
eBooks
Martin Brinkworth
Springer, 2012
eBooks