SUWATNO. (2020). Public Speaking. Jakarta: Erlangga.
Chicago Style aipamenaSUWATNO. Public Speaking. Jakarta: Erlangga, 2020.
MLA aipamenaSUWATNO. Public Speaking. Jakarta: Erlangga, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
SUWATNO. (2020). Public Speaking. Jakarta: Erlangga.
Chicago Style aipamenaSUWATNO. Public Speaking. Jakarta: Erlangga, 2020.
MLA aipamenaSUWATNO. Public Speaking. Jakarta: Erlangga, 2020.