Gaya APA

Barker, S. et al (2019). Keperawatan gerontik asuhan keperawatan pada lansia = caring for older people in nursing . Yogyakarta: Rapha Publisher.

Gaya MLA

Barker, Sue. et al. "Keperawatan gerontik asuhan keperawatan pada lansia = caring for older people in nursing". Yogyakarta: Rapha Publisher, 2019. Text.