Lobeck, A.K.
McGraw-Hill, 1939
Buku Teks
Trifani Taurusiana Prihantini, author
2017
UI - Skripsi (Membership)
Trewartha, Glenn T., author
McGraw-Hill, 1967
Buku Teks
Knapp, B.J., author
George Allen and Unwin, 1982
Buku Teks
De Blij, Harm J., author
John Wiley & Sons, 1993
Buku Teks