Corona-Norco Unified School District (Corona, Calif.), & Corona-Norco Unified School District (Norco, Calif.). (2013). Corona-Norco Unified School District school safety action plan: Safety first. [s.n.].
Цитирование в стиле Чикаго (17-е изд.)Corona-Norco Unified School District (Corona, Calif.), и Calif.) Corona-Norco Unified School District (Norco. Corona-Norco Unified School District School Safety Action Plan: Safety First. [S.l.]: [s.n.], 2013.
Цитирование MLA (9-е изд.)Corona-Norco Unified School District (Corona, Calif.), и Calif.) Corona-Norco Unified School District (Norco. Corona-Norco Unified School District School Safety Action Plan: Safety First. [s.n.], 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.