Gaya APA
H. T. Pledge, B A.. (1959).
Science Since 1500 .
New York:
Harper Torchbooks.
Gaya Chicago
H. T. Pledge, B A..
Science Since 1500.
New York:
Harper Torchbooks,
1959.
Buku.
Gaya MLA
H. T. Pledge, B A..
Science Since 1500.
New York:
Harper Torchbooks,
1959.
Buku.
Gaya Turabian
H. T. Pledge, B A..
Science Since 1500.
New York:
Harper Torchbooks,
1959.
Buku.