Azzahra Amelinda Putri Dartaman, author
2018
UI - Skripsi (Membership)
Rees, Yvonne, author
Page One Publishing, 2001
Buku Referensi
Eckstut, Joann, author
Chronicle Books, 1999
Buku Referensi
Grant-Hays, Brenda, author
McGraw-hill, 2003
Buku Teks
Wilson, Judith, author
Page One, 2003
Buku Referensi