Helma Bongenarr ... [and others]
Pepin, 2004
Buku Teks SO
Roojen, Pepin van, compiler
The Pepin Press, 2004
Multimedia
compiled by Toety Heraty Roosseno, Mohammad Saleeh Rahamad, Gwee Li Sui
Yayasan Pustaka Obor Indonesia, 2015
Buku Teks SO
Marvella Nethania
Department of Biology. Faculty of Mathematics and Natural Sciences. University of Indonesia, 2012
Artikel Jurnal
Thomas Walsh, editor; Harry Wibowo, editor
INFID, 2003
Buku Teks SO