British Standards Institution. (1968). Specification for fine pitch gears. British Standards Institution.
Цитирование в стиле Чикаго (17-е изд.)British Standards Institution. Specification for Fine Pitch Gears. London: British Standards Institution, 1968.
Цитирование MLA (8-е изд.)British Standards Institution. Specification for Fine Pitch Gears. British Standards Institution, 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.