Daye, David
RotoVision Book, 2000
Buku Referensi
Aisha Nabila
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2021
UI - Tesis (Membership)
Hope, Terry
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