APA Style
Hartman, Gertrude. (1951).
Builders of the old world .
Boston:
D.C. Heath and Company.
Chicago Style
Hartman, Gertrude.
Builders of the old world.
Boston:
D.C. Heath and Company,
1951.
Buku Teks.
MLA Style
Hartman, Gertrude.
Builders of the old world.
Boston:
D.C. Heath and Company,
1951.
Buku Teks.
Turabian Style
Hartman, Gertrude.
Builders of the old world.
Boston:
D.C. Heath and Company,
1951.
Buku Teks.