Penggayaan APA
RIGGS, James L.. (1987).
Production systems: .
Singapore:
John Wiley.
Chicago Style
RIGGS, James L..
Production systems:.
Singapore:
John Wiley,
1987.
Buku.
MLA Style
RIGGS, James L..
Production systems:.
Singapore:
John Wiley,
1987.
Buku.
Turabian Style
RIGGS, James L..
Production systems:.
Singapore:
John Wiley,
1987.
Buku.