Ende Nusa Indah 1971
UI - Makalah dan Kertas Kerja
Gowen, James A., author
McGraw-Hill, 1965
Buku Teks
Burgschmidt, Ernst
Dortmund Lambert Lensing 1975
Buku Teks
Burgschmidt, Ernst
Dortmund Lambert Lensing 1975
Buku Teks
Oxford University Press,
Majalah, Jurnal, Buletin