एपीए उद्धरण

Judy S Richardson. (1990). Reading to learn in the content areas. Belmont, California: Wadsworth.

शिकागो स्टाइल उद्धरण

Judy S Richardson. Reading to Learn in the Content Areas. Belmont, California: Wadsworth, 1990.

एमएलए उद्धरण

Judy S Richardson. Reading to Learn in the Content Areas. Belmont, California: Wadsworth, 1990.