एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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