Gaya APA
Nugrahapraja, H., A,., Y, P.
(2011).
Crossword Puzzle:Biologi Sma
(
1)
.
Bandung:
Kaifa.
Gaya MLA
Nugrahapraja, Husna., A,., Yurita, Putri.
"Crossword Puzzle:Biologi Sma".
1
Bandung:
Kaifa,
2011.
Text.