Bliss, Sara
Page One Publishing, 2003
Buku Referensi
A Ward Lock Book, 1997
Buku Referensi
Storey, Sally
Quadrille Publishing Limited, 2000
Buku Referensi
Aude, Karen
Rockport Publishers, 1999.
Buku Teks
Wilda Maulina
Fakultas Teknik Universitas Indonesia, 2018
UI - Skripsi (Membership)