1.
, . Variations on a theme by Kepler. Providence (R.I.): American Mathematical Society; 1990.
et . Variations on a theme by Kepler. Providence (R.I.) : American Mathematical Society, 23 mai 1990. ISBN 0-8218-1042-1
Guillemin Victor & Sternberg Shlomo. (1990). Variations on a theme by Kepler. American Mathematical Society.
MLA (8th ed.) CitationGuillemin Victor and Sternberg Shlomo. Variations on a Theme by Kepler. American Mathematical Society, 1990.
Warning: These citations may not always be 100% accurate.