Παραπομπή σε μορφή APA (7η εκδ.)

OKANLAWON, E. A. (2020). Nigerian primary school pupils’ level of knowledge about sustainability and their sustainability-related behaviours. Urray.

Παραπομπή σε μορφή Chicago (17η εκδ.)

OKANLAWON, EJIWALE AYOADE. Nigerian Primary School Pupils’ Level of Knowledge About Sustainability and Their Sustainability-related Behaviours. Urray, 2020.

Παραπομπή σε μορφή MLA (8th εκδ.)

OKANLAWON, EJIWALE AYOADE. Nigerian Primary School Pupils’ Level of Knowledge About Sustainability and Their Sustainability-related Behaviours. Urray, 2020.