APA

Stilwell J. . A., Lipsey R. G. & Clarke R. (1983). Workbook to Accompany. London: ELBS.

Chicago

Stilwell J A, Lipsey Richard G and Clarke Rosemary. 1983. Workbook to Accompany. London: ELBS.

Harvard

Stilwell J. . A., Lipsey R. G. and Clarke R. (1983). Workbook to Accompany. London: ELBS.

MLA

Stilwell J A, Lipsey Richard G and Clarke Rosemary. Workbook to Accompany. London: ELBS. 1983.