Penggayaan APA
LEEDY, Paul D. (1989).
Practical research: (4th ed.).
New Jersey:
Pearson.
Chicago Style
LEEDY, Paul D.
Practical research:.
4th ed.
New Jersey:
Pearson,
1989.
Buku.
MLA Style
LEEDY, Paul D.
Practical research:.
4th ed.
New Jersey:
Pearson,
1989.
Buku.
Turabian Style
LEEDY, Paul D.
Practical research:.
4th ed.
New Jersey:
Pearson,
1989.
Buku.