Gaya APA
Diffusion of Innovations. (1995).
New York:
The Free Press.
Gaya Chicago
Diffusion of Innovations.
Fourth.
New York:
The Free Press,
1995.
Buku.
Gaya MLA
Diffusion of Innovations.
Fourth.
New York:
The Free Press,
1995.
Buku.
Gaya Turabian
Diffusion of Innovations.
New York:
The Free Press,
1995.
Buku.