Gaya APA
LAGEMANN, , R, T. (1969).
PHYSICAL SCIENCE: ORIGINS AND PRINCIPLES (2nd ed.).
Boston:
LITTLE, BROWN AND COMPANY.
Gaya MLA
LAGEMANN, , Robert, T.
"PHYSICAL SCIENCE: ORIGINS AND PRINCIPLES".
2nd ed.
Boston:
LITTLE, BROWN AND COMPANY,
1969.
Textbook.