Gaya APA

Soeharyono, . (1979). Air susu ibu=Breast feeding the biological option. . Yogyakarta: Yayasan Essentia Medica.

Gaya MLA

Soeharyono, . "Air susu ibu=Breast feeding the biological option.". Yogyakarta: Yayasan Essentia Medica, 1979. Text.