Lua APA (7ú heag.)

PANJAITAN, C. Z. (1993). Tetap bugar sampai tua. Indonesia publishing house.

Lua i Stíl Chicago (17ú heag.)

PANJAITAN, Canadian Z. Tetap Bugar Sampai Tua. Bandung: Indonesia publishing house, 1993.

Lua MLA (9ú heag.)

PANJAITAN, Canadian Z. Tetap Bugar Sampai Tua. Indonesia publishing house, 1993.

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