Hale, M. (1674). Difficiles nugæ, or, Observations touching the Torricellian experiment, and the various solutions of the same, especially touching the weight and elasticity of the air. Printed by W. Godbid, for William Shrowsbury ....
Chicago-referens (17:e uppl.)Hale, Matthew. Difficiles Nugæ, or, Observations Touching the Torricellian Experiment, and the Various Solutions of the Same, Especially Touching the Weight and Elasticity of the Air. London: Printed by W. Godbid, for William Shrowsbury ..., 1674.
MLA-referens (8:e uppl.)Hale, Matthew. Difficiles Nugæ, or, Observations Touching the Torricellian Experiment, and the Various Solutions of the Same, Especially Touching the Weight and Elasticity of the Air. Printed by W. Godbid, for William Shrowsbury ..., 1674.