Cita APA (7th ed.)

The Spode Group (London). (1986). The problem-solving pack: Teacher's guide. Edward Arnold.

Cita Chicago (17th ed.)

The Spode Group (London). The Problem-solving Pack: Teacher's Guide. London: Edward Arnold, 1986.

Cita MLA (9th ed.)

The Spode Group (London). The Problem-solving Pack: Teacher's Guide. Edward Arnold, 1986.