APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.