Dyfyniad APA

Gill, R. R. R. (1990). Deducibility and decidability. Routledge.

Dyfyniad Arddull Chicago

Gill, R. R. Rockingham. Deducibility and Decidability. London ; New York: Routledge, 1990.

Dyfyniad MLA

Gill, R. R. Rockingham. Deducibility and Decidability. Routledge, 1990.

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