Lamahu | Department of Earth Science and Technology, Universitas Negeri Gorontalo. Cambridge University Press.
Chicago Style (17. basım) AtıfLamahu | Department of Earth Science and Technology, Universitas Negeri Gorontalo. Cambridge University Press.
MLA (9th ed.) AtıfLamahu | Department of Earth Science and Technology, Universitas Negeri Gorontalo. Cambridge University Press.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..