Gaya APA
Maurus, J. et al
(2018).
Grow Old Gracefully: Hidup Bahagia Sampai Tua
(
Cet.1)
.
Yogyakarta:
Bright Publisher.
Gaya MLA
Maurus, J.. et al.
"Grow Old Gracefully: Hidup Bahagia Sampai Tua".
Cet.1
Yogyakarta:
Bright Publisher,
2018.
Textbook.