एपीए उद्धरण

Petkovic,Miodrag. (2012). Famous puzzles of great mathematicians. Universities Press.

शिकागो स्टाइल उद्धरण

Petkovic,Miodrag. Famous Puzzles of Great Mathematicians. Hyderabad: Universities Press, 2012.

एमएलए उद्धरण

Petkovic,Miodrag. Famous Puzzles of Great Mathematicians. Universities Press, 2012.