APA aipamena

Robertson, C., & Cathie Robertson. (2007). Safety, nutrition & health in early education. Clifton Park, NY: Thomson Delmar Learning.

Chicago Style aipamena

Robertson, Cathie, và Cathie Robertson. Safety, Nutrition & Health in Early Education. Clifton Park, NY: Thomson Delmar Learning, 2007.

MLA aipamena

Robertson, Cathie, và Cathie Robertson. Safety, Nutrition & Health in Early Education. Clifton Park, NY: Thomson Delmar Learning, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.