توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

OECD iLibrary, Organisation for Economic Co-operation and Development, International Energy Agency, & Van der Hoeven, M. (2013). Coal: Medium-term market report 2013 : market trends and projects to 2018. OECD.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

OECD iLibrary, Organisation for Economic Co-operation and Development, International Energy Agency, و Maria Van der Hoeven. Coal: Medium-term Market Report 2013 : Market Trends and Projects to 2018. Paris: OECD, 2013.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

OECD iLibrary, et al. Coal: Medium-term Market Report 2013 : Market Trends and Projects to 2018. OECD, 2013.