Gaya APA

Suwarta, E. (2004). Tax Planning a Part of Strategic Planning (Preparing for the Future Challenging) Tip dan Trik Mengoptimalkan Pajak Perusahaan . Jakarta: jmthouse.

Gaya MLA

Suwarta, Erick. "Tax Planning a Part of Strategic Planning (Preparing for the Future Challenging) Tip dan Trik Mengoptimalkan Pajak Perusahaan". Jakarta: jmthouse, 2004. .