Estilo APA

Abbs, Brian, Freebairn, Ingrid, Bygrave, Jonathan. (2009). New Sky 2 : student's book / / Brian Abbs , Ingrid Freebairn, Jonathan Bygrave (1a ed.). Harlow: Pearson.

Estilo Chicago

Abbs, Brian, Freebairn, Ingrid, Bygrave, Jonathan. New Sky 2 : student's book / / Brian Abbs , Ingrid Freebairn, Jonathan Bygrave. 1a ed. Harlow: Pearson, 2009. IES DyT 9-001 Gral. San Martin.

Estilo MLA

Abbs, Brian, Freebairn, Ingrid, Bygrave, Jonathan. New Sky 2 : student's book / / Brian Abbs , Ingrid Freebairn, Jonathan Bygrave. 1a ed. Harlow: Pearson, 2009. IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Abbs, Brian, Freebairn, Ingrid, Bygrave, Jonathan. New Sky 2 : student's book / / Brian Abbs , Ingrid Freebairn, Jonathan Bygrave. 1a ed. Harlow: Pearson, 2009. IES DyT 9-001 Gral. San Martin.