Unesco & Bellahsène, C. (1973). Practical guide to functional literacy: A method of training for development. UNESCO.
Chicago-viite (17. p.)Unesco ja C. Bellahsène. Practical Guide to Functional Literacy: A Method of Training for Development. Paris: UNESCO, 1973.
MLA-viite (8. p.)Unesco ja C. Bellahsène. Practical Guide to Functional Literacy: A Method of Training for Development. UNESCO, 1973.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.