Gratton, L. (1970). Non-Solar X- and gamma-ray astronomy. D. Reidel Pub. Co..
芝加哥风格引文Gratton, Livio. Non-Solar X- and Gamma-ray Astronomy. Dordrecht-Holland: D. Reidel Pub. Co., 1970.
MLA引文Gratton, Livio. Non-Solar X- and Gamma-ray Astronomy. D. Reidel Pub. Co., 1970.
警告：这些引文格式不一定是100％准确.