Gaya APA

WIDYARINI, F. (2010). the services of customer relations in Adi sumarmo international airport as an effort to create good . : Universitas Sebelas Maret.

Gaya MLA

WIDYARINI, Fitria. "the services of customer relations in Adi sumarmo international airport as an effort to create good ". : Universitas Sebelas Maret, 2010. TA.