Gaya APA

m.si, D, H, N. (1997). Executive Guide To Everyday Management : 7 Practical Tips To Managing . Singapore: world executive's digest limited.

Gaya MLA

m.si, Dra., Hj., Nurwahyuni,. "Executive Guide To Everyday Management : 7 Practical Tips To Managing". Singapore: world executive's digest limited, 1997. Text.