Gaya APA
Duro, Lou. (1971).
The Sadness of Happy Time .
USA:
Col-Pal Press.
Gaya Chicago
Duro, Lou.
The Sadness of Happy Time.
USA:
Col-Pal Press,
1971.
Buku.
Gaya MLA
Duro, Lou.
The Sadness of Happy Time.
USA:
Col-Pal Press,
1971.
Buku.
Gaya Turabian
Duro, Lou.
The Sadness of Happy Time.
USA:
Col-Pal Press,
1971.
Buku.