Cotterell, John
Lorenz Books, 2000
Buku Referensi
Moncrieff, A.R. Hope
Gramercy Books, 1995
Buku Referensi
al-Zawzani, Abi Muhammad ibn Muhammad al-Abdalkani
Dar al-Huriyyah li al-Tiba'ah, 1978
Buku Teks
edited by Geoffrey Miles
Routledge, 1999
Buku Teks SO
Z. A. Ahmad
Saiful, 1951
Buku Teks SO