Gaya APA

HARJOSULISTYO, T, S, &, Y, S. (). MARATHON : THE POWER OF GIVING . : PT Elex Media Komputindo.

Gaya MLA

HARJOSULISTYO, TM., SOEBIYAKTI, &, Y,, SLAMET. "MARATHON : THE POWER OF GIVING". : PT Elex Media Komputindo, . Text.