Gaya APA
Sulaiman, A., Bakosurtanal, . (2013).
Draft surat kontrak segala urusan .
Yogyakarta:
Supala Cemerlang Publishing.
Gaya MLA
Sulaiman, Abadi., Bakosurtanal, .
"Draft surat kontrak segala urusan".
Yogyakarta:
Supala Cemerlang Publishing,
2013.
Text.