Arden, P. (2007). Whatever you think the think opposite. Jakarta: Esensi.
シカゴスタイル引用形Arden, Paul. Whatever You Think the Think Opposite. Jakarta: Esensi, 2007.
MLA引用形式Arden, Paul. Whatever You Think the Think Opposite. Jakarta: Esensi, 2007.
警告: この引用は必ずしも正確ではありません.