Maher Ishak, E. (1976). The phonetics and phonology of the Boḥairic dialect of Coptic and the survival of Coptic words in the colloquial and classical Arabic of Egypt and of Coptic grammatical constructions in colloquial Egyptian Arabic. University of Oxford.
Lua i Stíl Chicago (17ú heag.)Maher Ishak, Emile. The Phonetics and Phonology of the Boḥairic Dialect of Coptic and the Survival of Coptic Words in the Colloquial and Classical Arabic of Egypt and of Coptic Grammatical Constructions in Colloquial Egyptian Arabic. England: University of Oxford, 1976.
Lua MLA (8ú heag.)Maher Ishak, Emile. The Phonetics and Phonology of the Boḥairic Dialect of Coptic and the Survival of Coptic Words in the Colloquial and Classical Arabic of Egypt and of Coptic Grammatical Constructions in Colloquial Egyptian Arabic. University of Oxford, 1976.