Cita APA (7th ed.)

Swift, D. (1989). Practical Physics for GCSE. Basil Blackwell.

Cita Chicago (17th ed.)

Swift, Digby. Practical Physics for GCSE. England: Basil Blackwell, 1989.

Cita MLA (9th ed.)

Swift, Digby. Practical Physics for GCSE. Basil Blackwell, 1989.