Gaya APA
Machin, David. (2005).
The design of studies for medical research .
England:
John Wiley & Son.
Gaya Chicago
Machin, David.
The design of studies for medical research.
England:
John Wiley & Son,
2005.
Buku.
Gaya MLA
Machin, David.
The design of studies for medical research.
England:
John Wiley & Son,
2005.
Buku.
Gaya Turabian
Machin, David.
The design of studies for medical research.
England:
John Wiley & Son,
2005.
Buku.