APA Style
Rahayu, K, P., Rahayu, D, S. (2010).
Present Participle, To Infinitive, dan Invinitive Without to .
Semarang:
PT Bengawan Ilmu.
MLA Style
Rahayu, Krida, Puji., Rahayu, Dewi, Sri.
"Present Participle, To Infinitive, dan Invinitive Without to".
Semarang:
PT Bengawan Ilmu,
2010.
Text.