Gaya APA

Tjondrorahardja, D. (2019). The power of stories in sales: kunci mengubah pola pikir para salesman . Yogyakarta: Expert.

Gaya MLA

Tjondrorahardja, Daud. "The power of stories in sales: kunci mengubah pola pikir para salesman". Yogyakarta: Expert, 2019. Text.