Gaya APA
Harford, T. (2020).
"How to Make the World Add Up: Ten Rules for Thinking Differently About Numbers| .
London, UK:
The Bridge Street Press.
Gaya MLA
Harford, Tim.
""How to Make the World Add Up: Ten Rules for Thinking Differently About Numbers|".
London, UK:
The Bridge Street Press,
2020.
book.