Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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