Straub, R. O. (2009). Telecourse student guide to accompany child development stepping stones (Third edition.). Worth Publishers ; Coast Learning Systems.
Citazione stile Chigago Style (17a edizione)Straub, Richard O. Telecourse Student Guide to Accompany Child Development Stepping Stones. Third edition. Fountain Calley, California: Worth Publishers ; Coast Learning Systems, 2009.
Citatione MLA (9a ed.)Straub, Richard O. Telecourse Student Guide to Accompany Child Development Stepping Stones. Third edition. Worth Publishers ; Coast Learning Systems, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.