REEVES, Diane Lindsey - HANSEN, Connie. Attitude. Ann Arbor, Michigan : Cherry Lake Press, [2021]. ©2021. 1 online zdroj (34 stran). Soft skills sleuths. Investigating life skills success. Dostupné na internetu: <https://ebookcentral.proquest.com/lib/ujep-ebooks/reader.action?docID=6202543> ISBN 978-1-5341-7329-3.