PERIWINKLE BOOKS. (2012). PERIWINKLE GENERAL KNOWLEDGE - BOOK 3. PERIWINKLE PUBLICATIONS.
Cita Chicago (17th ed.)PERIWINKLE BOOKS. PERIWINKLE GENERAL KNOWLEDGE - BOOK 3. PERIWINKLE PUBLICATIONS, 2012.
Cita MLA (9th ed.)PERIWINKLE BOOKS. PERIWINKLE GENERAL KNOWLEDGE - BOOK 3. PERIWINKLE PUBLICATIONS, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.