Gaya APA

AHRENS, S. (2022). E-BOOK HOW TO TAKE SMART NOTES (2). NORTH CHARLESTON: INDEPENDENT PUBLISHING PLATFORM.

Gaya MLA

AHRENS, SÖNKE. "E-BOOK HOW TO TAKE SMART NOTES". 2 NORTH CHARLESTON: INDEPENDENT PUBLISHING PLATFORM, 2022. Computer File.