Gaya APA
Hutagalung, Mangasa Sotarduga (M.S. Hutagalung), Siregar, Aster. (2007).
Gemstones of life : poems of the elderly = Permata kehidupan : sajak-sajak lansia .
Jakarta:
Penerbit Tulodong.
Gaya Chicago
Hutagalung, Mangasa Sotarduga (M.S. Hutagalung), Siregar, Aster.
Gemstones of life : poems of the elderly = Permata kehidupan : sajak-sajak lansia.
Jakarta:
Penerbit Tulodong,
2007.
Text.
Gaya MLA
Hutagalung, Mangasa Sotarduga (M.S. Hutagalung), Siregar, Aster.
Gemstones of life : poems of the elderly = Permata kehidupan : sajak-sajak lansia.
Jakarta:
Penerbit Tulodong,
2007.
Text.
Gaya Turabian
Hutagalung, Mangasa Sotarduga (M.S. Hutagalung), Siregar, Aster.
Gemstones of life : poems of the elderly = Permata kehidupan : sajak-sajak lansia.
Jakarta:
Penerbit Tulodong,
2007.
Print.