APA Style
Omand, D.
(2021).
How spies think : ten lessons in intelligence / David Omand
(
2)
.
London:
Penguin books.
MLA Style
Omand, David.
"How spies think : ten lessons in intelligence / David Omand".
2
London:
Penguin books,
2021.
หนังสือ (Book).