Foers, E.
Comprehension and precis / E. Foers, J. Jones
Oxford University Press, 1957
 Buku Teks
Readings in overseas student policy : a collection of essays commissioned by the overseas students trust
edited by Gareth Williams, Martin Kenyon and Lynn Williams
Overseas Student Trust, 1987
 Buku Referensi
Stanford, David R.
Overseas trade corporations / David R. Stanford
London, Sweet & Maxwell Limited
 Buku Teks
Fink, Stephen L.
Designing and managing organizations/Stephen L. Fink, R. Stephen Jenks, Robin D. Willits
Irwin, 1983
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Mine surveying : textbook for students of higher schools of mines / D. N. Ogloblin [at al.]; translated from the Russian by R. Mashkevich
Higher School Pub. House, 1966
 Buku Teks