R.Krishnan. (1987). Mengembara ke angkasa. Mala Publications.
Chicago Style (17th ed.) CitationR.Krishnan. Mengembara Ke Angkasa. Selangor: Mala Publications, 1987.
MLA (9th ed.) CitationR.Krishnan. Mengembara Ke Angkasa. Mala Publications, 1987.
Warning: These citations may not always be 100% accurate.