Thomas. Orbit of Discovery. The University of Akron Press.
芝加哥风格引文Thomas. Orbit of Discovery. The University of Akron Press.
MLA引文Thomas. Orbit of Discovery. The University of Akron Press.
警告：这些引文格式不一定是100％准确.
APA引文
Thomas. Orbit of Discovery. The University of Akron Press.
芝加哥风格引文Thomas. Orbit of Discovery. The University of Akron Press.
MLA引文Thomas. Orbit of Discovery. The University of Akron Press.