APA引文

Vriesenga, D. Trees and plants: Grades 1-2. Instructional fair.

芝加哥风格引文

Vriesenga, Daryl. Trees and Plants: Grades 1-2. Michigan: Instructional fair.

MLA引文

Vriesenga, Daryl. Trees and Plants: Grades 1-2. Instructional fair.

警告：这些引文格式不一定是100％准确.