Lumbantobing, S. Gangguan Tidur. Jakarta: FK UI, 2004. vi, 69 hlm.: 24 c.
Chicago Style (17th ed.) CitationLumbantobing, S.M. Gangguan Tidur. Jakarta: FK UI, 2004. vi, 69 hlm.: 24 c.
MLA (8th ed.) CitationLumbantobing, S.M. Gangguan Tidur. Jakarta: FK UI, 2004. vi, 69 hlm.: 24 c.
Warning: These citations may not always be 100% accurate.