Barnett, E. de Barry
Inorganic chemistry : a text-book for advanced students
Longmans Green, 1957
 Buku Teks SO
Aswani, M.G.
The design of prestressed concrete bridges: a text-book for engineering students
Khanna, 1975
 Buku Teks
Improving ESL learners' academic text construction throungh a collaborative task
 Artikel Jurnal
Blass, Laurie
From concept to composition reading and writing for ESL Students / Laurie Blass
Prentice-Hall, 1985
 Buku Teks SO
Converstional drill based on the Naganuma readers, book 1
Berkeley University of California Press 1948
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