Princeton University Press , 1950
Buku Teks
1974
Buku Teks
Berger, Bill D.
Penn Well Books , 1978
Buku Teks
Fitria Yuliawati Ansorriyah
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2017
UI - Tesis Membership
Statistics Division, Petroleum Information Service, 1968
Buku Referensi