Dyfyniad APA
Heineccius, J. G., Turnbull, G., Ahnert, T., & Schröder, P. (2008). A methodical system of universal law, or, The laws of nature and nations. Liberty Fund.
Dyfyniad Arddull Chicago
Heineccius, Johann Gottlieb, George Turnbull, Thomas Ahnert, and Peter Schröder. A Methodical System of Universal Law, or, The Laws of Nature and Nations. Indianapolis: Liberty Fund, 2008.
Dyfyniad MLA
Heineccius, Johann Gottlieb, et al. A Methodical System of Universal Law, or, The Laws of Nature and Nations. Liberty Fund, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.