Derby, K. M. (1998). The effects of noncontingent and contingent attention for self-injury, manding, and collateral responses. [s.n.].
Cita Chicago Style (17a ed.)Derby, K. Mark. The Effects of Noncontingent and Contingent Attention for Self-injury, Manding, and Collateral Responses. [S.l.]: [s.n.], 1998.
Cita MLA (9a ed.)Derby, K. Mark. The Effects of Noncontingent and Contingent Attention for Self-injury, Manding, and Collateral Responses. [s.n.], 1998.
Precaución: Estas citas no son 100% exactas.