Estilo APA

Skinner, Carol, Corradi, Leonor. (2009). Pals : Student's Book + Activity Book / Carol Skinner (6). Harlow: Longman.

Estilo Chicago

Skinner, Carol, Corradi, Leonor. Pals : Student's Book + Activity Book / Carol Skinner. 6 Harlow: Longman, 2009. IES DyT 9-001 Gral. San Martin.

Estilo MLA

Skinner, Carol, Corradi, Leonor. Pals : Student's Book + Activity Book / Carol Skinner. 6 Harlow: Longman, 2009. IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Skinner, Carol, Corradi, Leonor. Pals : Student's Book + Activity Book / Carol Skinner. 6 Harlow: Longman, 2009. IES DyT 9-001 Gral. San Martin.