Dyfyniad APA

Palmer, F. R. (1990). Modality and the English modals. Longman.

Dyfyniad Arddull Chicago

Palmer, Frank Robert. Modality and the English Modals. London: Longman, 1990.

Dyfyniad MLA

Palmer, Frank Robert. Modality and the English Modals. Longman, 1990.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.