Παραπομπή σε μορφή APA (7η εκδ.)

Grivas Publications & Grivas, C. N. (2003). English for adults: Grammar and companion: a three book series taking false beginners to First Certificate level. Grivas Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Grivas Publications και C. N. Grivas. English for Adults: Grammar and Companion: A Three Book Series Taking False Beginners to First Certificate Level. [Aspropyrgos]: Grivas Publications, 2003.

Παραπομπή σε μορφή MLA (8th εκδ.)

Grivas Publications και C. N. Grivas. English for Adults: Grammar and Companion: A Three Book Series Taking False Beginners to First Certificate Level. Grivas Publications, 2003.