National Safety Council. School and College Division. School shop safety. School and College Division, National Safety Council.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Safety Council. School and College Division. School Shop Safety. Chicago: School and College Division, National Safety Council.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)National Safety Council. School and College Division. School Shop Safety. School and College Division, National Safety Council.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.