Penggayaan APA
LEONARD,Henry S. (1967).
Principles of reasoning .
London:
Dover Publications.
Chicago Style
LEONARD,Henry S.
Principles of reasoning.
London:
Dover Publications,
1967.
Buku.
MLA Style
LEONARD,Henry S.
Principles of reasoning.
London:
Dover Publications,
1967.
Buku.
Turabian Style
LEONARD,Henry S.
Principles of reasoning.
London:
Dover Publications,
1967.
Buku.