Huebner, S. S., author
Prentice-Hall, 1968
Buku Teks
Huebner, S. S., author
Prentice-Hall, 1982
Buku Teks
Rodda, William H.
Prentice-Hall, 1966
Buku Teks
Rodda, William H.
Prentice-Hall, 1958
Buku Teks
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1990
UI - Skripsi Membership