Lua APA (7ú heag.)

AGARWAL, P. SCIENCE OLYMPIAD NATIONAL SCIENCE OLYMPIAD - 10. V & S PUBLISHER.

Lua i Stíl Chicago (17ú heag.)

AGARWAL, PREETI. SCIENCE OLYMPIAD NATIONAL SCIENCE OLYMPIAD - 10. NEW DELHI: V & S PUBLISHER.

Lua MLA (9ú heag.)

AGARWAL, PREETI. SCIENCE OLYMPIAD NATIONAL SCIENCE OLYMPIAD - 10. V & S PUBLISHER.

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