Estilo APA

Abbs, Brian, Freebairn, Ingrid. (1990). Blueprint one : workbook / Brian Abbs , Ingrid Freebairn (1). Harlow: Longman.

Estilo Chicago

Abbs, Brian, Freebairn, Ingrid. Blueprint one : workbook / Brian Abbs , Ingrid Freebairn. 1 Harlow: Longman, 1990. IES DyT 9-001 Gral. San Martin.

Estilo MLA

Abbs, Brian, Freebairn, Ingrid. Blueprint one : workbook / Brian Abbs , Ingrid Freebairn. 1 Harlow: Longman, 1990. IES DyT 9-001 Gral. San Martin.

Estilo Turabian

Abbs, Brian, Freebairn, Ingrid. Blueprint one : workbook / Brian Abbs , Ingrid Freebairn. 1 Harlow: Longman, 1990. IES DyT 9-001 Gral. San Martin.