Gaya APA

Chiang-Soong, B., Yager, R, E. (). The Inclusion of STS Material in the Most Frequently Used Secondary Science Texbooks in the U.S . : .

Gaya MLA

Chiang-Soong, Betty., Yager, Robert, E. "The Inclusion of STS Material in the Most Frequently Used Secondary Science Texbooks in the U.S ". : , . .