Oliver, Daniel
First book of Indian botany
Cambridge University Press , 2013
 Buku Teks
McNickle, D`Arcy
They came here first: the epic of the American Indian
J.B. Lippincott, 1949
 Buku Teks SO
Proceeding of the third southeast asian conference on soil engineering
edited by Peter Lumb
Southeast Asian Society of Engineering, [Date of publication not identified]
 Buku Teks
The First conference of Asean ministers responsible for information
Departement of Information, 1989
 Buku Referensi
Clinical pharmacology and therapeutics: priceedings of the first world conference
edited by Paul Turner
University Park Press, 1980
 Buku Teks SO