APA استشهاد

Hanson, A. A. (1969). Turfgrass science. American Society of Agronomy.

استشهاد بنمط شيكاغو

Hanson, A A. Turfgrass Science. Madison: American Society of Agronomy, 1969.

MLA استشهاد

Hanson, A A. Turfgrass Science. American Society of Agronomy, 1969.