Galperin, G. (o. J.). Playing pool with \(\pi\) (the number \(\pi\) from a billiard point of view).
ISO-690 (author-date, English)GALPERIN, G., [no date]. Playing pool with \(\pi\) (the number \(\pi\) from a billiard point of view). .
Modern Language Association 9th editionGalperin, G. Playing Pool With \(\pi\) (the Number \(\pi\) from a Billiard Point of View).
Mohr Siebeck - Recht (Deutsch - Österreich)Galperin, G.: Playing pool with \(\pi\) (the number \(\pi\) from a billiard point of view),
Emerald - HarvardGalperin, G. (o. J.). „Playing pool with \(\pi\) (the number \(\pi\) from a billiard point of view)“.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.