Moroney, M. J., author
Penguin Book, 1968
Buku Teks
Manly, Bryan F.J., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Zainodin Haji Jubok, author
Dewan Bahasa dan Pustaka Kementrian Pendidikan Malaysia, 1988
Buku Teks
Gupta, Shanti S., author
John Wiley & Sons, 1979
Buku Teks
Torgersen, Erik
Cambridge University Press, 1990
Buku Teks