Gaya APA

WK., N. et al (2013). Business and Personal Development (Pertama). Yogyakarta: Persatuan Dokter Spesialis Kardiovaskuler Indonesia.

Gaya MLA

WK., Nikodemus. et al. "Business and Personal Development". Pertama Yogyakarta: Persatuan Dokter Spesialis Kardiovaskuler Indonesia, 2013. Text.