Gaya APA
Strang, R, H.
(1958).
A texs-Book of Orthodonthia 4th
(
4th`)
.
Philadhelphia:
Lea & Febiger.
Gaya MLA
Strang, Robert, H.W.
"A texs-Book of Orthodonthia 4th".
4th`
Philadhelphia:
Lea & Febiger,
1958.
TUGAS AKHIR.