Cita APA

Gilbert Chris & Williams Laurie. (1985). The A B C's of 1 2 3. B.P.B.

Citación estilo Chicago

Gilbert Chris and Williams Laurie. The A B C's of 1 2 3. Delhi: B.P.B, 1985.

Cita MLA

Gilbert Chris and Williams Laurie. The A B C's of 1 2 3. B.P.B, 1985.