Gaya APA
CHERONIS, N, D. et al (1958).
THE STUDY OF THE PHYSICAL WORLD THIRD EDITION (Third Edition).
USA:
Houghton Mifflin Coompany.
Gaya MLA
CHERONIS, Nicholas, D.. et al.
"THE STUDY OF THE PHYSICAL WORLD THIRD EDITION".
Third Edition
USA:
Houghton Mifflin Coompany,
1958.
Textbook.