APA

Sung (Abraham), . (1996). 330 More Model Letters For All Occassions. : .

Chicago

Sung (Abraham), . 1996. 330 More Model Letters For All Occassions. : .

Harvard

Sung (Abraham), . (1996). 330 More Model Letters For All Occassions. : .

MLA

Sung (Abraham), . 330 More Model Letters For All Occassions. : . 1996.