Gaya APA
Physics programs. (1980).
New York:
John Wiley & Sons.
Gaya Chicago
Physics programs.
.
New York:
John Wiley & Sons,
1980.
Buku.
Gaya MLA
Physics programs.
.
New York:
John Wiley & Sons,
1980.
Buku.
Gaya Turabian
Physics programs.
New York:
John Wiley & Sons,
1980.
Buku.