Dyfyniad APA

Spyglass Take a Guess A Look at Estimation. Compass Point Books.

Dyfyniad Arddull Chicago

Spyglass Take a Guess A Look at Estimation. Compass Point Books.

Dyfyniad MLA

Spyglass Take a Guess A Look at Estimation. Compass Point Books.

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