APA Style
Sandu, M. (2015).
International Olympiad on Astronomy and Astrophysics Problems : Volume I (Volume I).
JAKARTA:
PT. Trisula Adisakti.
MLA Style
Sandu, Mihail.
"International Olympiad on Astronomy and Astrophysics Problems : Volume I".
Volume I
JAKARTA:
PT. Trisula Adisakti,
2015.
Text.