Gaya APA
Giving presentations. (1992).
tempaterbit:
penerbit.
Gaya Chicago
Giving presentations.
Edisi.
tempaterbit:
penerbit,
1992.
Text.
Gaya MLA
Giving presentations.
Edisi.
tempaterbit:
penerbit,
1992.
Text.
Gaya Turabian
Giving presentations.
tempaterbit:
penerbit,
1992.
Print.