Penggayaan APA
SPOONER, H A.. (1991).
Mathematics for business .
Singapore:
Pretice Hall.
Chicago Style
SPOONER, H A..
Mathematics for business.
Singapore:
Pretice Hall,
1991.
Buku.
MLA Style
SPOONER, H A..
Mathematics for business.
Singapore:
Pretice Hall,
1991.
Buku.
Turabian Style
SPOONER, H A..
Mathematics for business.
Singapore:
Pretice Hall,
1991.
Buku.