Aler, P. (1753). Gradus ad Parnassum: Sive, Novus synonymorum, epithetorum, phrasium poeticarum, ac versuum thesaurus ... (Editio nova.). Typis Alexandri Everaerts.
Dyfyniad Arddull ChicagoAler, Paul. Gradus Ad Parnassum: Sive, Novus Synonymorum, Epithetorum, Phrasium Poeticarum, Ac Versuum Thesaurus ... Editio nova. Antverpiae: Typis Alexandri Everaerts, 1753.
Dyfyniad MLAAler, Paul. Gradus Ad Parnassum: Sive, Novus Synonymorum, Epithetorum, Phrasium Poeticarum, Ac Versuum Thesaurus ... Editio nova. Typis Alexandri Everaerts, 1753.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.