APA Edition Citation

Caswell, J. (1979). Worked examples a level Biology. Celtic Revision Aids.

Chicago Edition Citation

Caswell, J. Worked Examples a Level Biology. Hong Kong: Celtic Revision Aids, 1979.

MLA Edition Citation

Caswell, J. Worked Examples a Level Biology. Celtic Revision Aids, 1979.

Warning: These citations may not always be 100% accurate.