APA-viite (7. p.)
Heering, J. (2003). Hugo Grotius as apologist for the Christian religion: A study of his work De veritate religionis Christianae, 1640. Brill.
Chicago-viite (17. p.)
Heering, Jan-Paul. Hugo Grotius as Apologist for the Christian Religion: A Study of His Work De Veritate Religionis Christianae, 1640. Leiden ; Boston: Brill, 2003.
MLA-viite (9. p.)
Heering, Jan-Paul. Hugo Grotius as Apologist for the Christian Religion: A Study of His Work De Veritate Religionis Christianae, 1640. Brill, 2003.
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