Dyfyniad APA

CHALLENGES TO SCIENCE.. & BOLEN, M. C. [. a. (1973). Challenge to science phisical science.-- ed.2. McGraw-hill.

Dyfyniad Arddull Chicago

CHALLENGES TO SCIENCE.. and Max C [et al] BOLEN. Challenge to Science Phisical Science.-- Ed.2. New York: McGraw-hill, 1973.

Dyfyniad MLA

CHALLENGES TO SCIENCE.. and Max C [et al] BOLEN. Challenge to Science Phisical Science.-- Ed.2. McGraw-hill, 1973.

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