edited by David G. Ainley and Robert J. Boekelheide
California Stanford University Press, 1990
Buku Teks
Artikel Jurnal
Artikel Jurnal
Donny Muhamad Faisal, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013
UI - Tesis (Membership)
Firth, Raymond, author
George Allen and Unwin, 1959
Buku Teks