Gaya APA
Hafen, Brent Q.. (1972).
First Aid: Contemporary Practices and Principles .
Minnesota:
Burgess Publishing Company.
Gaya Chicago
Hafen, Brent Q..
First Aid: Contemporary Practices and Principles.
Minnesota:
Burgess Publishing Company,
1972.
Buku Teks.
Gaya MLA
Hafen, Brent Q..
First Aid: Contemporary Practices and Principles.
Minnesota:
Burgess Publishing Company,
1972.
Buku Teks.
Gaya Turabian
Hafen, Brent Q..
First Aid: Contemporary Practices and Principles.
Minnesota:
Burgess Publishing Company,
1972.
Buku Teks.