American Psychological Association (APA)
ACH. (n.d.). United States Patent and Trademark Office Glossary. Retrieved February 8, 2023, from website: http://www.expertglossary.com/definition/ach.
Chicago Manual of Style (CMS)
ACH. www.uspto.gov. United States Patent and Trademark Office Glossary. USPTO. http://www.expertglossary.com/definition/ach (accessed: February 8, 2023).
Modern Language Association (MLA)
"ACH." United States Patent and Trademark Office Glossary. USPTO. 8 February. 2023 http://www.expertglossary.com/definition/ach.