Abraham, M. (1978). Factors relating to underachievement in English. Dept. of Publications, University of Kerala.
Chicago-referens (17:e uppl.)Abraham, Mercy. Factors Relating to Underachievement in English. Trivandrum: Dept. of Publications, University of Kerala, 1978.
MLA-referens (8:e uppl.)Abraham, Mercy. Factors Relating to Underachievement in English. Dept. of Publications, University of Kerala, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.