APA引文

Dahlberg I. (1978). Ontical structures and universal classification. Sarada Ranganathan Endowment.

Chicago Edition Citation

Dahlberg I. Ontical Structures and Universal Classification. London: Sarada Ranganathan Endowment, 1978.

MLA引文

Dahlberg I. Ontical Structures and Universal Classification. Sarada Ranganathan Endowment, 1978.

警告：这些引文格式不一定是100％准确.