Aidan loves reading the Guinness Book of World Records.This book is an example of which type of source?

A) Primary
B) Secondary
C) Tertiary
D) Quaternary

Guinness Book

A reference book published annually, listing world records both of human achievements and the extremes of the natural world.

Tertiary

Refers to the third level or stage in a sequence; in education, it commonly relates to post-secondary education such as universities and colleges.

Quaternary

Relating to the fourth stage or division, often used in context of geological periods or the sector of the economy that deals with knowledge-based activities.