Cita APA (7a ed.)

Abbs, B., & Worrall's, A. A. (1980). Jigsaw One. Activity book 1. Mary Glasgow Publications Limited.

Cita Chicago Style (17a ed.)

Abbs, Brian, y Anne. Autora Worrall's. Jigsaw One. Activity Book 1. Londres: Mary Glasgow Publications Limited, 1980.

Cita MLA (9a ed.)

Abbs, Brian, y Anne. Autora Worrall's. Jigsaw One. Activity Book 1. Mary Glasgow Publications Limited, 1980.