WORLD BOOK INT. (1991). YOUNG SCIENTIST VOL IX. WORLD BOOK INT.
Chicago Style (17th ed.) CitationWORLD BOOK INT. YOUNG SCIENTIST VOL IX. LONDON: WORLD BOOK INT, 1991.
MLA (9th ed.) CitationWORLD BOOK INT. YOUNG SCIENTIST VOL IX. WORLD BOOK INT, 1991.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.