Bollington, R., Hopkins, D., & West, M. (1990). An introduction to teacher appraisal: A professional development approach. Cassell.
Цитирование в стиле Чикаго (17-е изд.)Bollington, Rob, David Hopkins, и Mel West. An Introduction to Teacher Appraisal: A Professional Development Approach. London: Cassell, 1990.
Цитирование MLA (8-е изд.)Bollington, Rob, et al. An Introduction to Teacher Appraisal: A Professional Development Approach. Cassell, 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.