Griggs, Barbara, author
Pan Books, 1995
Buku Referensi
Shealy, C. Norman, author
Element, 1998
Buku Referensi
Ody, Penelope
Dorling Kindersley, 1995
Buku Referensi
Erni Juwita Nelwan, author
University of Indonesia. Faculty of Medicine, 2019
Artikel Jurnal
S. Harris Ali, Roger Keil, editor
Blackwell, 2008
Buku Teks