Gaya APA
William H. Matthews, Chalmer J. Roy, Robert E. Stevenson, Miles F. Harris dkk. (1981).
Investigating the Earth Third Edition .
Boston:
Houghton Mifflin Company Boston.
Gaya Chicago
William H. Matthews, Chalmer J. Roy, Robert E. Stevenson, Miles F. Harris dkk.
Investigating the Earth Third Edition.
Boston:
Houghton Mifflin Company Boston,
1981.
Text.
Gaya MLA
William H. Matthews, Chalmer J. Roy, Robert E. Stevenson, Miles F. Harris dkk.
Investigating the Earth Third Edition.
Boston:
Houghton Mifflin Company Boston,
1981.
Text.
Gaya Turabian
William H. Matthews, Chalmer J. Roy, Robert E. Stevenson, Miles F. Harris dkk.
Investigating the Earth Third Edition.
Boston:
Houghton Mifflin Company Boston,
1981.
Print.