Παραπομπή σε μορφή APA (7η εκδ.)

Boyle, J., & McLellan, E. (1998). Early language skills checklists: Observation-based assessment for early education : user's handbook. Hodder & Stoughton.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Boyle, James, και Elizabeth McLellan. Early Language Skills Checklists: Observation-based Assessment for Early Education : User's Handbook. London: Hodder & Stoughton, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Boyle, James, και Elizabeth McLellan. Early Language Skills Checklists: Observation-based Assessment for Early Education : User's Handbook. Hodder & Stoughton, 1998.