Cita APA (7a ed.)
Chemistry___ key to better living. American Chemical Society.
Cita estilo Chicago (17a ed.)
Chemistry___ Key to Better Living. Washington, EUA: American Chemical Society.
Cita MLA (9a ed.)
Chemistry___ Key to Better Living. American Chemical Society.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.