Gaya APA

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

Gaya MLA

Barker, Sue. "Keperawatan gerontik asuhan keperawatan pada lansia (caring for older people in nursing)". Yogyakarta: Rapha Publishing, 2019. Koleksi Elektronik.