Hughes, A. G., & Hughes, E. H. Learning and teaching: An introduction to psychology and education.
Chicago-viite (17. p.)Hughes, Arthur George, ja Ethel Hilda Hughes. Learning and Teaching: An Introduction to Psychology and Education.
MLA-viite (8. p.)Hughes, Arthur George, ja Ethel Hilda Hughes. Learning and Teaching: An Introduction to Psychology and Education.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.