O`Grady, William
How children learn language / William O'grady
Cambridge University Press, 2007
 Buku Teks
Kidd
How adults learn / Kidd
Cambridge University Press, 1973
 Buku Teks
Kellett, Mary
How to develop children as researchers: a step-by-step guide to teaching the research process
Paul Chapman Publishing, 2005
 Buku Teks SO
Blaxter, Loraine
How to research
Open University Press , 1996
 Buku Teks SO
Hillier, Walter Caine, Sir, 1849-1927
The Chinese language and how to learn it : a manual for beginners
Kegan Paul, 1945
 Buku Teks