Dyfyniad APA

(1988). Man-made fibers of Japan 1988/89. Japan: Japan Chemical Fibers Association.

Dyfyniad Arddull Chicago

Man-made Fibers of Japan 1988/89. Japan: Japan Chemical Fibers Association, 1988.

Dyfyniad MLA

Man-made Fibers of Japan 1988/89. Japan: Japan Chemical Fibers Association, 1988.

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