penyunting, Umar Fahmi Achmad, M.K. Tadjudini
Lembaga Penelitian Universitas Indonesia, 1986
Buku Referensi
Margaret Kalacska, G. Arturo Sanchez-Azofeifa, editor
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Hope, Terry, author
RotoVision SA, 2001
Buku Teks
Freininger, Andreas
Dahara Pertama, 1999
Buku Teks
editor, June H.L. Wong; writers, Meng Yew Choong, Chin Mui Yoon
Star publications, 2011
Buku Referensi