Cita APA (7th ed.)

LIOYD , G. &. J. D. (1995). OPTIC SCIENCE: SCIENCE DISCOVERY STORIES. WAYLAND.

Cita Chicago (17th ed.)

LIOYD , G & JEFFERIS D. OPTIC SCIENCE: SCIENCE DISCOVERY STORIES. ENGLAND: WAYLAND, 1995.

Cita MLA (9th ed.)

LIOYD , G & JEFFERIS D. OPTIC SCIENCE: SCIENCE DISCOVERY STORIES. WAYLAND, 1995.