Gaya APA
Hasibuan,Sayuti. (1989).
Population,human resources and development policy perspective/Sayuti Hasibuan .
Jakarta:
Kantor Meneg KLH.
Gaya Chicago
Hasibuan,Sayuti.
Population,human resources and development policy perspective/Sayuti Hasibuan.
Jakarta:
Kantor Meneg KLH,
1989.
.
Gaya MLA
Hasibuan,Sayuti.
Population,human resources and development policy perspective/Sayuti Hasibuan.
Jakarta:
Kantor Meneg KLH,
1989.
.
Gaya Turabian
Hasibuan,Sayuti.
Population,human resources and development policy perspective/Sayuti Hasibuan.
Jakarta:
Kantor Meneg KLH,
1989.
.