APA (7th ed.) Citation

SCHIFFMAN, S. (1997). Teknik jitu dalam menjual (telah terbukti dan berhasil) = closing techniques (that really work. Binarupa Aksara.

Chicago Style (17th ed.) Citation

SCHIFFMAN, Stephen. Teknik Jitu Dalam Menjual (telah Terbukti Dan Berhasil) = Closing Techniques (that Really Work. Binarupa Aksara, 1997.

MLA (8th ed.) Citation

SCHIFFMAN, Stephen. Teknik Jitu Dalam Menjual (telah Terbukti Dan Berhasil) = Closing Techniques (that Really Work. Binarupa Aksara, 1997.

Warning: These citations may not always be 100% accurate.