Azzopardi, G. (2001). Complete book for developing your: Intelligence Quotient. Infinity Books.
Chicago-viite (17. p.)Azzopardi, G. Complete Book for Developing Your: Intelligence Quotient. New Delhi: Infinity Books, 2001.
MLA-viite (9. p.)Azzopardi, G. Complete Book for Developing Your: Intelligence Quotient. Infinity Books, 2001.
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