Παραπομπή σε μορφή APA (7η εκδ.)

Kroon, S. (1992). Opportunities and constraints of community language teaching. Multilingual Matters.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kroon, Sjaak. Opportunities and Constraints of Community Language Teaching. Clevedon, Avon [England] ; Philadelphia: Multilingual Matters, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Kroon, Sjaak. Opportunities and Constraints of Community Language Teaching. Multilingual Matters, 1992.