Gaya APA
Watkins, Dwight Everett. (1948).
Effective thinking: How to use it for greater achievement / Dwight Everett Watkins .
:
New York: The Ronald Press.
Gaya Chicago
Watkins, Dwight Everett.
Effective thinking: How to use it for greater achievement / Dwight Everett Watkins.
:
New York: The Ronald Press,
1948.
Buku.
Gaya MLA
Watkins, Dwight Everett.
Effective thinking: How to use it for greater achievement / Dwight Everett Watkins.
:
New York: The Ronald Press,
1948.
Buku.
Gaya Turabian
Watkins, Dwight Everett.
Effective thinking: How to use it for greater achievement / Dwight Everett Watkins.
:
New York: The Ronald Press,
1948.
Buku.