 Addresses and References, Absolute and Relative, LibreOffice Help

Online text: help.libreoffice.org/latest/en-US/text/scalc/guide/relativ_absolut_ref.html

Official software documentation issued by the LibreOffice project. No individual author or publication date is established.

Cited passages: Addresses and References, Absolute and Relative: Cell references, column letters and row numbers; Addresses and References, Absolute and Relative: Relative Addressing; Absolute Addressing; When to Use Relative and Absolute References, final two paragraphs.