توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Liipo, J. (1999). Mineralogical studies from the early Proterozoic and Archean ultramafic rocks from eastern Finland, emphasis on chromite as a petrogenetic indicator. Oulun yliopisto, Geologian osasto.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Liipo, Jussi. Mineralogical Studies from the Early Proterozoic and Archean Ultramafic Rocks from Eastern Finland, Emphasis on Chromite as a Petrogenetic Indicator. Oulu, Finland: Oulun yliopisto, Geologian osasto, 1999.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Liipo, Jussi. Mineralogical Studies from the Early Proterozoic and Archean Ultramafic Rocks from Eastern Finland, Emphasis on Chromite as a Petrogenetic Indicator. Oulun yliopisto, Geologian osasto, 1999.