APA Style

Nugroho, NSK. (). Self empowerment . Jakarta: Palgrave Macmillan.

Chicago Style

Nugroho, NSK. Self empowerment. Jakarta: Palgrave Macmillan, . Audio CD.

MLA Style

Nugroho, NSK. Self empowerment. Jakarta: Palgrave Macmillan, . Audio CD.

Turabian Style

Nugroho, NSK. Self empowerment. Jakarta: Palgrave Macmillan, . Audio CD.