Dyfyniad APA

Butt, D. (2000). Using functional grammar: An explorer's guide (2nd ed.). Sydney: National centre for English language teaching and research, Macquarie University.

Dyfyniad Arddull Chicago

Butt, David. Using Functional Grammar: An Explorer's Guide. 2nd ed. Sydney: National centre for English language teaching and research, Macquarie University, 2000.

Dyfyniad MLA

Butt, David. Using Functional Grammar: An Explorer's Guide. 2nd ed. Sydney: National centre for English language teaching and research, Macquarie University, 2000.

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