APA aipamena

Ruff, H. A., & Rothbart, M. K. (1996). Attention in early development: Themes and variations. New York: Oxford University Press.

Chicago Style aipamena

Ruff, Holly Alliger., và Mary Klevjord Rothbart. Attention in Early Development: Themes and Variations. New York: Oxford University Press, 1996.

MLA aipamena

Ruff, Holly Alliger., và Mary Klevjord Rothbart. Attention in Early Development: Themes and Variations. New York: Oxford University Press, 1996.