Shaffira Diraprana Gayatri, author
2014
UI - Skripsi (Membership)
Keller, Helen Rex, author
McMillan Company, 1959
Buku Referensi
Campbell, Oscar James, author
Crofts, 1947
Buku Teks
Shaw, J. C., author
D.K. Today, 1988
Buku Teks
Amalia Putri Astari, author
2015
UI - Makalah dan Kertas Kerja