Estilo APA

Abbs, Brian, Freebairn, Ingrid. (). Building strategies 2 students' Book : An integrated language course for learners of english / Brian Abbs , Ingrid Freebairn (First published 1979). : Longman.

Estilo Chicago

Abbs, Brian, Freebairn, Ingrid. Building strategies 2 students' Book : An integrated language course for learners of english / Brian Abbs , Ingrid Freebairn. First published 1979 : Longman, . IES DyT 9-001 Gral. San Martin.

Estilo MLA

Abbs, Brian, Freebairn, Ingrid. Building strategies 2 students' Book : An integrated language course for learners of english / Brian Abbs , Ingrid Freebairn. First published 1979 : Longman, . IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Abbs, Brian, Freebairn, Ingrid. Building strategies 2 students' Book : An integrated language course for learners of english / Brian Abbs , Ingrid Freebairn. First published 1979 : Longman, . IES DyT 9-001 Gral. San Martin.