Gaya APA

Naul, R. et al (1998). Sport Science Studies Physical Activity and Active Lifestyle of Children and Youth . Schorndorf: Vertag Karl Hofmann.

Gaya MLA

Naul, Roland. et al. "Sport Science Studies Physical Activity and Active Lifestyle of Children and Youth". Schorndorf: Vertag Karl Hofmann, 1998. BUKU PENJASKESREK.