Balderston, Frederick E.
Jossey-Bass , 1974
Buku Teks
Webster, Frederick E., Jr
John Wiley & Sons, 1991
Buku Teks
Bruggencate, K. Ten, author
H.D. Tjeenk Willink, 1975
Buku Referensi
A. Setyo Wibowo, author
Kanisius, 2017
Buku Teks
Bastide, J. A. Jockin la, author
Van Goor Zonen, 1978
Buku Referensi