APA citiranje

Zulaika , C. (2001). Humor Smart Message Service/ City Zulaika. Jakarta : Niaga Swadaya.

Chicago Style (17th ed.) Citation

Zulaika , City. Humor Smart Message Service/ City Zulaika. Jakarta : Niaga Swadaya, 2001.

MLA citiranje

Zulaika , City. Humor Smart Message Service/ City Zulaika. Jakarta : Niaga Swadaya, 2001.

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