Gaya APA
Siagian,Herald. ([S.a.]).
HIX LeaderXHIp : Humility Outside, Integrity Inside. Xcellent Performer .
Cibubur:
[S.n.].
Gaya Chicago
Siagian,Herald.
HIX LeaderXHIp : Humility Outside, Integrity Inside. Xcellent Performer.
Cibubur:
[S.n.],
[S.a.].
Text.
Gaya MLA
Siagian,Herald.
HIX LeaderXHIp : Humility Outside, Integrity Inside. Xcellent Performer.
Cibubur:
[S.n.],
[S.a.].
Text.
Gaya Turabian
Siagian,Herald.
HIX LeaderXHIp : Humility Outside, Integrity Inside. Xcellent Performer.
Cibubur:
[S.n.],
[S.a.].
Print.