edited by Maggie Toy
Academy Editions, 1997
Buku Teks
Weaver, John E., author
McGraw-Hill, 1938
Buku Teks
Yayasan Obor Indonesia, 1988
Buku Teks
Colinvaux, Paul A., author
John Wiley & Sons, 1973
Buku Teks
Boughey, Arthur S., author
Macmillan, 1973
Buku Teks