Holmes, Arthur W.
Richard D. Irwin, 1970
Buku Teks
Adhi Indrawan
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1981
UI - Skripsi (Membership)
Stettler, Howard F.
Prentice-Hall, 1956
Buku Teks
Stettler, Howard F.
Prentice-Hall, 1957
Buku Teks
Tower, Ralph B.
Prentice-Hall, 1984
Buku Teks