Estilo APA

Abbs, Brian, Freebairn, Ingrid. (1993). Blueprint : Upper intermediate - students' Book / Brian Abbs , Ingrid Freebairn (1). england: Longman.

Estilo Chicago

Abbs, Brian, Freebairn, Ingrid. Blueprint : Upper intermediate - students' Book / Brian Abbs , Ingrid Freebairn. 1 england: Longman, 1993. IES DyT 9-001 Gral. San Martin.

Estilo MLA

Abbs, Brian, Freebairn, Ingrid. Blueprint : Upper intermediate - students' Book / Brian Abbs , Ingrid Freebairn. 1 england: Longman, 1993. IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Abbs, Brian, Freebairn, Ingrid. Blueprint : Upper intermediate - students' Book / Brian Abbs , Ingrid Freebairn. 1 england: Longman, 1993. IES DyT 9-001 Gral. San Martin.