Gaya APA
HORRIGAN, Philip A.. (1970).
The Challenge of Chemistry .
London:
McGraw Hill Book Company.
Gaya Chicago
HORRIGAN, Philip A..
The Challenge of Chemistry.
London:
McGraw Hill Book Company,
1970.
Teks.
Gaya MLA
HORRIGAN, Philip A..
The Challenge of Chemistry.
London:
McGraw Hill Book Company,
1970.
Teks.
Gaya Turabian
HORRIGAN, Philip A..
The Challenge of Chemistry.
London:
McGraw Hill Book Company,
1970.
Teks.