Gaya APA

Spring, Joel. (2005). From difficult to delightful in just 30 days : how to improve the behavior of your spirited child (ed.6). New York: McGraw Hill.

Gaya Chicago

Spring, Joel. From difficult to delightful in just 30 days : how to improve the behavior of your spirited child. ed.6 New York: McGraw Hill, 2005. Buku Tercetak.

Gaya MLA

Spring, Joel. From difficult to delightful in just 30 days : how to improve the behavior of your spirited child. ed.6 New York: McGraw Hill, 2005. Buku Tercetak.

Gaya Turabian

Spring, Joel. From difficult to delightful in just 30 days : how to improve the behavior of your spirited child. ed.6 New York: McGraw Hill, 2005. Buku Tercetak.