Gaya APA
Ragan, S, M. (2017).
The Total Inventor's Manual: Transform Your Idea into a Top-Selling Product .
Canada:
Weldon Owen.
Gaya MLA
Ragan, Sean, Michael.
"The Total Inventor's Manual: Transform Your Idea into a Top-Selling Product".
Canada:
Weldon Owen,
2017.
Text.