Gaya APA

Gessler, D, H., Sampoerna, M. (2007). The Sampoerna Legacy : A Family & Business History . Jakarta: Yayasan Putera Sampoerna.

Gaya MLA

Gessler, Diana, Hollingsworth., Sampoerna, Michelle. "The Sampoerna Legacy : A Family & Business History". Jakarta: Yayasan Putera Sampoerna, 2007. Text.