Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.