3 ms·https://en.m.wikipedia.org/wiki/Tertiary_source https://en.m.wikipedia.org/wiki/Tertiary_sourceby bazoom42 4y agohttps://en.m.wikipedia.org/wiki/Tertiary_source https://en.m.wikipedia.org/wiki/Tertiary_sourceispo 4y agoI apologize for my ignorance, still the concept is useless.bazoom42 4y agoThe distinction is significant in some contexts. E.g. an academic work should not cite a tertirary source.