Gaya APA
Hart-Davis, A. (2011).
The book of time: The secrets of time, how it works and how we measure it. .
London:
London Mitchell Beazley.
Gaya MLA
Hart-Davis, Adam.
"The book of time: The secrets of time, how it works and how we measure it. ".
London:
London Mitchell Beazley,
2011.
Buku.