APA (7th ed.) Zitazioa

Sills, M. D. (2016). Hearts, heads, & hands: A manual for teaching others to teach others. B & H Publishing Group.

Chicago Style (17th ed.) Zitazioa

Sills, M. David. Hearts, Heads, & Hands: A Manual for Teaching Others to Teach Others. Nashville, Tennessee: B & H Publishing Group, 2016.

MLA (9th ed.) Zitazioa

Sills, M. David. Hearts, Heads, & Hands: A Manual for Teaching Others to Teach Others. B & H Publishing Group, 2016.