Cita APA

Wallace, J. G. (1972). Stages and transition in conceptual development: An experimental study. NFER.

Citación estilo Chicago

Wallace, John Gilbert. Stages and Transition in Conceptual Development: An Experimental Study. [Slough, Eng.]: NFER, 1972.

Cita MLA

Wallace, John Gilbert. Stages and Transition in Conceptual Development: An Experimental Study. NFER, 1972.

Warning: These citations may not always be 100% accurate.