Dyfyniad APA

(1990). Linguaphone Intermediate English Course Programmes 1-10. Linguaphone Institute Limited.

Dyfyniad Arddull Chicago

Linguaphone Intermediate English Course Programmes 1-10. Linguaphone Institute Limited, 1990.

Dyfyniad MLA

Linguaphone Intermediate English Course Programmes 1-10. Linguaphone Institute Limited, 1990.

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