Dyfyniad APA

Gritt, B. (1975). Facing the future Blk 4 part 2 units 15-16 P 853 15-16 Blk4 Part2. Open University Press.

Dyfyniad Arddull Chicago

Gritt, Brain. Facing the Future Blk 4 Part 2 Units 15-16 P 853 15-16 Blk4 Part2. England: Open University Press, 1975.

Dyfyniad MLA

Gritt, Brain. Facing the Future Blk 4 Part 2 Units 15-16 P 853 15-16 Blk4 Part2. Open University Press, 1975.

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