Παραπομπή σε μορφή APA (7η εκδ.)

Vilbar, A. P. (2011). Effects of ESL courseware for sustainable development on grammar proficiency and reading skills of various learners. Philippine Journal for Language Teaching.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Vilbar, Aurelio P. "Effects of ESL Courseware for Sustainable Development on Grammar Proficiency and Reading Skills of Various Learners." Philippine Journal for Language Teaching 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Vilbar, Aurelio P. "Effects of ESL Courseware for Sustainable Development on Grammar Proficiency and Reading Skills of Various Learners." Philippine Journal for Language Teaching, 2011.