Universitas Indonesia, 2000
UI - Skripsi (Membership)
Lundman, Richard J., author
Holty,Rinchart and Winston, 1980
Buku Teks
Reed, Lucy, author
Wolters Kluwer, 2011
Buku Teks
tim kerja. Andi Hamzah
Pengayoman, 2001
Buku Teks
Khairunissa Yuliandhini, author
2018
UI - Skripsi (Membership)