Cita APA (7th ed.)
O'connor Kathleen. (1971). Learning: An introduction. Scott, foresman.
Cita Chicago (17th ed.)
O'connor Kathleen. Learning: An Introduction. Illinois: Scott, foresman, 1971.
Cita MLA (9th ed.)
O'connor Kathleen. Learning: An Introduction. Scott, foresman, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.