Hollis, L.Y.
Nebraska Proffessional Educators, 1973
Buku Teks
Gardiner, Jewel, author
American Library Association, 1954
Buku Teks
Frilya Rachma Putri, author
Fakultas Kedokteran Universitas Indonesia, 2019
UI - Tesis Membership
Sheffield, Linda Jensen
John Wiley & Sons, 2000
Buku Teks
Yin, Qian
Design Media, 2010
Buku Referensi