Gaya APA
Parengkuan, Erwin. (2018).
How Not To Give a Boring Speech .
Jakarta:
.
Gaya Chicago
Parengkuan, Erwin.
How Not To Give a Boring Speech.
Jakarta:
,
2018.
Text.
Gaya MLA
Parengkuan, Erwin.
How Not To Give a Boring Speech.
Jakarta:
,
2018.
Text.
Gaya Turabian
Parengkuan, Erwin.
How Not To Give a Boring Speech.
Jakarta:
,
2018.
Print.