Gaya APA
Troutman, W, G., 2017-10-17, .
().
73171017
(
PKL)
.
PKL:
2017-10-17.
Gaya MLA
Troutman, Wiliam, G.., 2017-10-17, .
"73171017".
PKL
PKL:
2017-10-17,
.
PKL.AP.170104.