Current progress in historical linguistics : proceedings of the Second International Conference on Historical Linguistics, Tucson, Arizona, 12-16 January 1976
edited by William M. Christie, Jr.
North-Holland Publishing, 1976
Buku Teks
Owen, Tim Buckley, 1948-
Success at the enquiry desk: successful enquiry answering - every time
Facet Publishing, 2006
Buku Teks
Maple, James
Advanced chemistry : an enquiry-based approach
John Murray, 1996
Buku Teks
Clough, Peter
A student's guide to methodology : justifying enquiry
Sage Publications, 2002
Buku Referensi
Owen, Tim Buckley, 1948-
Successful enquiry answering every time
Facet , 2012
Buku Teks