The JAL guide to professional literature
 Artikel Jurnal
The JAL guide to the professional literature Laura Reiner,Allen Smith
 Artikel Jurnal
Gunn, J.A.L.
Guide to commonwealth income tax / by J.A.L. Gunn and R.E. O'Neill
Butterworth, 1957
 Buku Teks
Gutzwiller, Kathryn J.
A guide to hellenistic literature
Blackwell, 2007
 Buku Teks
Bateson, FW
Guide to English literature
Longmans , 1965
 Buku Teks