Dyfyniad APA

LONGHURST, R. S. (1986). GEOMETRICAL AND PHYSICAL OPTICS-3RD ED. ORIENT LONGMAN LIMITED.

Dyfyniad Arddull Chicago

LONGHURST, R S. GEOMETRICAL AND PHYSICAL OPTICS-3RD ED. NEW DELHI: ORIENT LONGMAN LIMITED, 1986.

Dyfyniad MLA

LONGHURST, R S. GEOMETRICAL AND PHYSICAL OPTICS-3RD ED. ORIENT LONGMAN LIMITED, 1986.

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