Cita APA (7th ed.)

Skevington, J. (1988). Practical assessment: Physics for GCSE. Unwin Hymn.

Cita Chicago (17th ed.)

Skevington, John. Practical Assessment: Physics for GCSE. London: Unwin Hymn, 1988.

Cita MLA (9th ed.)

Skevington, John. Practical Assessment: Physics for GCSE. Unwin Hymn, 1988.