Cita APA

Barker, E. J. (1968). Experiments with shapes. 4v.

Chicago Edition Citation

Barker, Eric J. Experiments with Shapes. 4v. 1968.

Cita MLA

Barker, Eric J. Experiments with Shapes. 4v. 1968.

Atenció: Aquestes cites poden no estar 100% correctes.