Pugh, S. (2009). Wicked cool Ruby scripts: Useful scripts that solve difficult problems. No Starch Press.
Цитирование в стиле Чикаго (17-е изд.)Pugh, Steve. Wicked Cool Ruby Scripts: Useful Scripts That Solve Difficult Problems. San Francisco: No Starch Press, 2009.
Цитирование MLA (9-е изд.)Pugh, Steve. Wicked Cool Ruby Scripts: Useful Scripts That Solve Difficult Problems. No Starch Press, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.