Gaya APA

Sandu, M., Iancu, M. (2015). International Olimpiad on Astronomy and Astrophysics Problems Volume I : 2007-2012 (Solutions, Comments, Detail, Extensions) (Cet. 1). Jakarta: Trisula Adisakti.

Gaya MLA

Sandu, Mihail., Iancu, Mihaela. "International Olimpiad on Astronomy and Astrophysics Problems Volume I : 2007-2012 (Solutions, Comments, Detail, Extensions)". Cet. 1 Jakarta: Trisula Adisakti, 2015. Text.