edited by Barbara Marietta Westby
H.W. Wilson, 1965
Buku Referensi
Kay Eaton
Dewan Bahasa dan Pustaka, Kementerian Pelajaran Malaysia, 1981
Buku Teks
Ratna Dewi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2006
UI - Skripsi (Membership)
Mohammad Aries, author
1987
UI - Skripsi (Membership)
edited by Barbara A. Bristow, Christi Showman Farrar
H.W. Wilson, a division of EBSCO Information Services ; Amenia, NY : Grey House Publishing, 2014
Buku Referensi