MERTTENS , R. (1986). EXPLORING SHAPE.
Cita Chicago (17th ed.)MERTTENS , RUTH. EXPLORING SHAPE. 1986.
Cita MLA (9th ed.)MERTTENS , RUTH. EXPLORING SHAPE. 1986.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)