Castro, P. A. (2009). Enviro facts that are not: What you heard vs. what's the truth. Gen G Magazine.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Castro, Philip A. "Enviro Facts That Are Not: What You Heard Vs. What's the Truth." Gen G Magazine 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Castro, Philip A. "Enviro Facts That Are Not: What You Heard Vs. What's the Truth." Gen G Magazine, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.