Gaya APA

Ballabriga, A. (1987). Weaning: Why, What, and When? Nestle Nutrition Workshop Series Vol. 10 (cet 1). New York: Raven Press.

Gaya MLA

Ballabriga, Angel. "Weaning: Why, What, and When? Nestle Nutrition Workshop Series Vol. 10". cet 1 New York: Raven Press, 1987. Monograf.