Potter, Norman N., author
Avi Pub., 1973
Buku Teks
Lee, Dong Sun, author
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Bartono P. H., author
Yogyakarta, 2005
Buku Teks
Tudge, Colin
Dorling Kindersley, 2002
Buku Teks
Brown, Amy, author
Cengage Learning, 2015
Buku Teks