Gaya APA
International Library of Technology. (1924).
London:
International Text Book.
Gaya Chicago
International Library of Technology.
.
London:
International Text Book,
1924.
.
Gaya MLA
International Library of Technology.
.
London:
International Text Book,
1924.
.
Gaya Turabian
International Library of Technology.
London:
International Text Book,
1924.
.