Lenburg, J. (2007). Viva-Facts on file guide to research. Viva Books Private Limited.
シカゴスタイル引用形Lenburg, Jeff. Viva-Facts on File Guide to Research. New Delhi: Viva Books Private Limited, 2007.
MLA引用形式Lenburg, Jeff. Viva-Facts on File Guide to Research. Viva Books Private Limited, 2007.
警告: この引用は必ずしも正確ではありません.