APA Style
Cronin, Thomas E. (1975).
The state of the presidency .
Boston:
Usaha Nasional.
Chicago Style
Cronin, Thomas E.
The state of the presidency.
Boston:
Usaha Nasional,
1975.
Buku Teks.
MLA Style
Cronin, Thomas E.
The state of the presidency.
Boston:
Usaha Nasional,
1975.
Buku Teks.
Turabian Style
Cronin, Thomas E.
The state of the presidency.
Boston:
Usaha Nasional,
1975.
Buku Teks.