Kay, Ronald D.
McGraw-Hill, 1994
Buku Teks
Didik Suhardjito, author
2002
UI - Disertasi (Membership)
Suwati Kartiwa, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1971
UI - Skripsi (Membership)
Soetriono
Intrans Publishing, 2017
Buku Teks
Jones, Fred R. (Fred Rufus), 1893-, author
McGraw-Hill, 1963
Buku Teks