Gaya APA
LAGEMANN, , R, T. (1969).
PHYSICAL SCIENCE: ORIGINS AND PRINCIPLES (Second Edition).
Boston:
LITTLE, BROWN AND COMPANY.
Gaya MLA
LAGEMANN, , Robert, T.
"PHYSICAL SCIENCE: ORIGINS AND PRINCIPLES".
Second Edition
Boston:
LITTLE, BROWN AND COMPANY,
1969.
Textbook.