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John Wiley & Sons, 1980
Buku Teks
edited by Z.B. Maksic
Springer-Verlag, 1990
Buku Teks
edited by by T.N. Rhodin, G. Ertl
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Buku Teks
Ketelaar, J.A.A., author
Elsevier, 1958
Buku Teks
Muhamad Iftikhar, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Tugas Akhir