Gaya APA
Kinney, J.
(2013).
Diary of a Wimpy Kid Hard Luck
(
Cetakan 1)
.
USA:
Amulet Books.
Gaya MLA
Kinney, Jeff.
"Diary of a Wimpy Kid Hard Luck".
Cetakan 1
USA:
Amulet Books,
2013.
Text.