Dyfyniad APA

(1983). Physics and development, No.3.

Dyfyniad Arddull Chicago

Physics and Development, No.3. International centre for theoretical physics, 1983.

Dyfyniad MLA

Physics and Development, No.3. 1983.

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