APA Style

Siswantoyo, . (2008). Perubahan Kadar Beta Endorpin Akibat Latihan Olahraga Pernafasan (The Alteration of beta Endorphin Blood Level Due to Respiratory Training) . Surabaya: Puslitbang Ekologi Kesehatan,Badan Litbangkes.

MLA Style

Siswantoyo, . "Perubahan Kadar Beta Endorpin Akibat Latihan Olahraga Pernafasan (The Alteration of beta Endorphin Blood Level Due to Respiratory Training)". Surabaya: Puslitbang Ekologi Kesehatan,Badan Litbangkes, 2008. Text.