Cita APA (7a ed.)

Byrne, D. E. (1967). Progressive picture composition: : pupils' book. Longman.

Cita Chicago Style (17a ed.)

Byrne, Donn Erwin. Progressive Picture Composition: : Pupils' Book. London: Longman, 1967.

Cita MLA (9a ed.)

Byrne, Donn Erwin. Progressive Picture Composition: : Pupils' Book. Longman, 1967.