(2011). National geographic Indonesia 2011. Kompas Gramedia.
Chicagoスタイル(17版)引用形式National Geographic Indonesia 2011. Kompas Gramedia, 2011.
MLA(8版)引用形式National Geographic Indonesia 2011. Kompas Gramedia, 2011.
警告: この引用は必ずしも正確ではありません.
(2011). National geographic Indonesia 2011. Kompas Gramedia.
Chicagoスタイル(17版)引用形式National Geographic Indonesia 2011. Kompas Gramedia, 2011.
MLA(8版)引用形式National Geographic Indonesia 2011. Kompas Gramedia, 2011.