Zhdanov, V.
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks
Duncan, David F.
Macmillan, 1988
Buku Teks
Susser, Mervyn
Oxford University Press, 1973
Buku Teks
Christie, David
UNSW Press, 1997
Buku Teks
Ezekiel Kalipeni, Juliet Iwelunmor, Diana Grigsby-Toussaint, Imelda Moise, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks