Dyfyniad APA

Sittig, M. (1963). Cryogenics, research and applications. Van Nostrand Reinhold Company.

Dyfyniad Arddull Chicago

Sittig, Marshall. Cryogenics, Research and Applications. New Jersey: Van Nostrand Reinhold Company, 1963.

Dyfyniad MLA

Sittig, Marshall. Cryogenics, Research and Applications. Van Nostrand Reinhold Company, 1963.

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