Medicine, Book 2 : special english
English Language Services; editor, Charles J. Hirsch, James A. Curtin
Collier/Macmillan, 1970
 Buku Teks SO
Rangkuti-Hasibuan, Sofia
English for specific purposes : medicine
Gramedia, 1986
 Buku Teks SO
Pincas, Anita
Writing in English Book 3
Macmillan, 1983
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Harrison, G.B.
A book of english poetry
Penguin Books , 1953
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English for today. Book six
McGraw-Hill, 1964
 Buku Teks SO