Estilo APA

Abbs, Brian, Freebairn, Ingrid. (1987). Discoveries : student's book 3/ / Brian Abbs , Ingrid Freebairn (1st ed). Harlow: Longman.

Estilo Chicago

Abbs, Brian, Freebairn, Ingrid. Discoveries : student's book 3/ / Brian Abbs , Ingrid Freebairn. 1st ed Harlow: Longman, 1987. IES DyT 9-001 Gral. San Martin.

Estilo MLA

Abbs, Brian, Freebairn, Ingrid. Discoveries : student's book 3/ / Brian Abbs , Ingrid Freebairn. 1st ed Harlow: Longman, 1987. IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Abbs, Brian, Freebairn, Ingrid. Discoveries : student's book 3/ / Brian Abbs , Ingrid Freebairn. 1st ed Harlow: Longman, 1987. IES DyT 9-001 Gral. San Martin.