Francesca, S. M. (1959). Chemistry can be fun: Two games and a collection of crossword puzzles for chemistry class. J. Weston Walch.
Chicago-Zitierstil (17. Ausg.)Francesca, Sister Mary. Chemistry Can Be Fun: Two Games and a Collection of Crossword Puzzles for Chemistry Class. Portland, Maine: J. Weston Walch, 1959.
MLA-Zitierstil (9. Ausg.)Francesca, Sister Mary. Chemistry Can Be Fun: Two Games and a Collection of Crossword Puzzles for Chemistry Class. J. Weston Walch, 1959.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.