International Council on Archives. (1987). Bulletin of the Committee on Business Archives N. 10.
Chicago-Zitierstil (17. Ausg.)International Council on Archives. Bulletin of the Committee on Business Archives N. 10. Brussels, 1987.
MLA-Zitierstil (8. Ausg.)International Council on Archives. Bulletin of the Committee on Business Archives N. 10. 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.