Gaya APA
Webservices. (2019).
New York:
Springer Science Business Media.
Gaya Chicago
Webservices.
.
New York:
Springer Science Business Media,
2019.
Text.
Gaya MLA
Webservices.
.
New York:
Springer Science Business Media,
2019.
Text.
Gaya Turabian
Webservices.
New York:
Springer Science Business Media,
2019.
Print.