APA引文

(1990). Edmund scientific: 1990 annual reference catalog for optics, science and education. New Jersey: Edmund Scientific.

Trích dẫn kiểu Chicago

Edmund Scientific: 1990 Annual Reference Catalog for Optics, Science and Education. New Jersey: Edmund Scientific, 1990.

MLA引文

Edmund Scientific: 1990 Annual Reference Catalog for Optics, Science and Education. New Jersey: Edmund Scientific, 1990.

警告：这些引文格式不一定是100％准确.