New masters pictorial encyclopedia a concise and comprehensive reference work

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Webster's world university dictionary completely new and up to date

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The Penguin dictionary of psychology / Arthut S. Reber

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Yogyakarta : Pustaka Pelajar , 2005

Persepakatan Ulama dalam Hukum Islam : Ensiklopedi Ijmak / Sa'di Abu Habieb;Penerjemah:Sahal Machfudz dan Mustofa Bisri

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Jakarta : Pustaka Firdaus , 2003

The War For Power And Knowledge : the great empires, conquests and discoveries that shapedthe ancient world compare the explorations and inventions of the world's early societies (illustrated history encyclopedia) / edited by John Haywood

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London : AnnessPoblishing , 2003

The Oxford companion to the history of modern science

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