APA-ийн эшлэл(7 дахь хэвлэлт)

Ayafor, M. (2015). The grammar problem in higher education in Cameroon: Assessing written standard english among undergraduates of the department of English at the University of Yaounde 1. Cambridge Scholars Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Ayafor, Miriam. The Grammar Problem in Higher Education in Cameroon: Assessing Written Standard English Among Undergraduates of the Department of English at the University of Yaounde 1. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2015.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Ayafor, Miriam. The Grammar Problem in Higher Education in Cameroon: Assessing Written Standard English Among Undergraduates of the Department of English at the University of Yaounde 1. Cambridge Scholars Publishing, 2015.